diff --git a/.overcommit.yml b/.overcommit.yml
index ab0f0e1c5..505c8e2e6 100644
--- a/.overcommit.yml
+++ b/.overcommit.yml
@@ -31,6 +31,7 @@ PreCommit:
     enabled: true
     on_fail: warn
     command: ['npm', 'run', 'coffeelint']
+    required_executable: 'npm'
   HardTabs:
     enabled: true
   AuthorEmail:
@@ -42,6 +43,7 @@ PreCommit:
     exclude:
       - '**/bootstrap.min.css'
     command: ['npm', 'run', 'csslint']
+    required_executable: 'npm'
   HamlLint:
     enabled: true
     command: ['bundle', 'exec', 'haml-lint', 'app/views']
@@ -60,6 +62,7 @@ PreCommit:
       - 'spec/javascripts/support/vendor/**'
       - '**/bootstrap*'
     command: ['npm', 'run', 'jshint']
+    required_executable: 'npm'
   ScssLint:
     enabled: true
   RailsSchemaUpToDate:
@@ -69,11 +72,6 @@ PreCommit:
   YamlLint:
     enabled: true
 
-PostCommit:
-  GitGuilt:
-    enabled: true
-    command: ['npm', 'run', 'git-guilt']
-
 PostCheckout:
   ALL:
     quiet: false
diff --git a/.travis.yml b/.travis.yml
index 59bdd9c2a..6b6966904 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-sudo: false
+sudo: required
 language: ruby
 cache:
   bundler: true
@@ -17,13 +17,23 @@ env:
 before_install:
   - ./script/install_phantomjs;
   - export PATH=$PWD/travis_phantomjs/phantomjs-2.1.1-linux-x86_64/bin:$PATH
+  # Force Travis to use Elastic Search 2.4.0
+  - >
+    if [ "${GROWSTUFF_ELASTICSEARCH}" = "true" ]; then
+      sudo dpkg -r elasticsearch;
+      curl -O https://download.elastic.co/elasticsearch/release/org/elasticsearch/distribution/deb/elasticsearch/2.4.0/elasticsearch-2.4.0.deb;
+      sudo dpkg -i --force-confnew elasticsearch-2.4.0.deb;
+      sudo service elasticsearch start;
+      sleep 10;
+      curl localhost:9200;
+    fi
 before_script:
-  - bundle exec rake db:create db:migrate db:test:prepare
   - set -e
   - >
     if [ "${STATIC_CHECKS}" = "true" ]; then
       ./script/install_linters;
     else
+      bundle exec rake db:create db:migrate db:test:prepare;
       bundle exec rake assets:precompile;
     fi
   - set +e
@@ -38,9 +48,6 @@ script:
       bundle exec rake jasmine:ci;
     fi;
   - set +e
-
-services:
-  - elasticsearch
 before_deploy:
   - bundle exec script/heroku_maintenance.rb on
 deploy:
diff --git a/Gemfile b/Gemfile
index 617134236..ed5d1ca8f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -106,7 +106,7 @@ group :development do
   # A debugger and irb alternative. Pry doesn't play nice
   # with unicorn, so start a Webrick server when debugging
   # with Pry
-  gem 'better_errors'
+  gem 'better_errors', '~> 2.2.0'
   gem 'binding_of_caller'
   gem 'guard'
   gem 'guard-rspec'
@@ -145,5 +145,5 @@ group :test do
 end
 
 group :travis do
-  gem 'heroku-api'
+  gem 'platform-api'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 011745535..aa7c4a8f3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,18 +20,18 @@ GEM
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    active_link_to (1.0.4)
+    active_link_to (1.0.5)
       actionpack
       addressable
     active_merchant-paypal-bogus-gateway (0.1.0)
       activemerchant
-    active_utils (3.3.7)
+    active_utils (3.3.8)
       activesupport (>= 3.2, < 5.2.0)
       i18n
     activejob (4.2.9)
       activesupport (= 4.2.9)
       globalid (>= 0.3.0)
-    activemerchant (1.69.0)
+    activemerchant (1.72.0)
       activesupport (>= 3.2.14, < 6.x)
       builder (>= 2.1.2, < 4.0.0)
       i18n (>= 0.6.9)
@@ -51,11 +51,11 @@ GEM
     acts_as_paranoid (0.5.0)
       activerecord (>= 4.0, < 5.1)
       activesupport (>= 4.0, < 5.1)
-    addressable (2.5.1)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
     arel (6.0.4)
     ast (2.3.0)
-    autoprefixer-rails (7.1.2.3)
+    autoprefixer-rails (7.1.4)
       execjs
     bcrypt (3.1.11)
     better_errors (2.2.0)
@@ -68,7 +68,7 @@ GEM
     bonsai-elasticsearch-rails (0.2.0)
       elasticsearch-model (~> 0)
       elasticsearch-rails (~> 0)
-    bootstrap-datepicker-rails (1.6.4.1)
+    bootstrap-datepicker-rails (1.7.1.1)
       railties (>= 3.0)
     bootstrap-kaminari-views (0.0.5)
       kaminari (>= 0.13)
@@ -81,11 +81,11 @@ GEM
     bullet (5.6.1)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.10.0)
-    byebug (9.0.6)
+    byebug (9.1.0)
     cancancan (2.0.0)
-    capybara (2.14.4)
+    capybara (2.15.1)
       addressable
-      mime-types (>= 1.16)
+      mini_mime (>= 0.1.3)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
@@ -106,7 +106,7 @@ GEM
       simplecov (<= 0.13)
     codemirror-rails (5.16.0)
       railties (>= 3.0, < 6.0)
-    coderay (1.1.1)
+    coderay (1.1.2)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0)
@@ -170,7 +170,7 @@ GEM
       faraday
       multi_json
     erubis (2.7.0)
-    excon (0.58.0)
+    excon (0.59.0)
     execjs (2.7.0)
     factory_girl (4.8.0)
       activesupport (>= 3.0.0)
@@ -186,7 +186,7 @@ GEM
     font-awesome-sass (4.7.0)
       sass (>= 3.2)
     formatador (0.2.5)
-    friendly_id (5.2.1)
+    friendly_id (5.2.3)
       activerecord (>= 4.0.0)
     geocoder (1.4.4)
     gibbon (1.2.1)
@@ -211,7 +211,7 @@ GEM
       guard (~> 2.1)
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
-    haml (5.0.2)
+    haml (5.0.3)
       temple (>= 0.8.0)
       tilt
     haml-i18n-extractor (0.5.9)
@@ -233,9 +233,11 @@ GEM
       rubocop (>= 0.47.0)
       sysexits (~> 1.1)
     hashie (3.5.6)
-    heroku-api (0.4.2)
-      excon (~> 0.45)
-      multi_json (~> 1.8)
+    heroics (0.0.24)
+      erubis (~> 2.0)
+      excon
+      moneta
+      multi_json (>= 1.9.2)
     highline (1.7.8)
     html2haml (2.2.0)
       erubis (~> 2.7.0)
@@ -255,19 +257,19 @@ GEM
       parser (>= 2.2.3.0)
       term-ansicolor (>= 1.3.2)
       terminal-table (>= 1.5.1)
-    jasmine (2.7.0)
-      jasmine-core (>= 2.7.0, < 3.0.0)
+    jasmine (2.8.0)
+      jasmine-core (>= 2.8.0, < 3.0.0)
       phantomjs
       rack (>= 1.2.1)
       rake
-    jasmine-core (2.7.0)
+    jasmine-core (2.8.0)
     jquery-rails (4.3.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (5.0.5)
       railties (>= 3.2.16)
-    js-routes (1.3.3)
+    js-routes (1.4.1)
       railties (>= 3.2)
       sprockets-rails
     json (2.1.0)
@@ -285,7 +287,7 @@ GEM
       kaminari-core (= 1.0.1)
     kaminari-core (1.0.1)
     kgio (2.11.0)
-    kramdown (1.14.0)
+    kramdown (1.15.0)
     launchy (2.4.3)
       addressable (~> 2.3)
     leaflet-markercluster-rails (0.7.0)
@@ -308,15 +310,17 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mimemagic (0.3.2)
-    mini_portile2 (2.2.0)
+    mini_mime (0.1.4)
+    mini_portile2 (2.3.0)
     minitest (5.10.3)
+    moneta (0.8.1)
     multi_json (1.11.3)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nenv (0.3.0)
-    newrelic_rpm (4.3.0.335)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    newrelic_rpm (4.4.0.336)
+    nokogiri (1.8.1)
+      mini_portile2 (~> 2.3.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -355,18 +359,20 @@ GEM
       ast (~> 2.2)
     pg (0.21.0)
     phantomjs (2.1.1.0)
+    platform-api (2.1.0)
+      heroics (~> 0.0.23)
+      moneta (~> 0.8.1)
     plupload-rails (1.2.1)
       rails (>= 3.1)
-    poltergeist (1.15.0)
+    poltergeist (1.16.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
     powerpack (0.1.1)
-    pry (0.10.4)
+    pry (0.11.0)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
-      slop (~> 3.4)
-    public_suffix (2.0.5)
+    public_suffix (3.0.0)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
     rack (1.6.8)
@@ -407,8 +413,8 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.1.0)
-    raindrops (0.18.0)
-    rake (12.0.0)
+    raindrops (0.19.0)
+    rake (12.1.0)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -432,7 +438,7 @@ GEM
     rspec-mocks (3.6.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.6.0)
-    rspec-rails (3.6.0)
+    rspec-rails (3.6.1)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       railties (>= 3.0)
@@ -447,8 +453,8 @@ GEM
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
-    ruby-progressbar (1.8.1)
-    ruby-units (2.1.0)
+    ruby-progressbar (1.8.3)
+    ruby-units (2.2.0)
     ruby_dep (1.5.0)
     ruby_parser (3.10.1)
       sexp_processor (~> 4.9)
@@ -464,7 +470,7 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    selenium-webdriver (3.4.4)
+    selenium-webdriver (3.5.2)
       childprocess (~> 0.5)
       rubyzip (~> 1.0)
     sexp_processor (4.10.0)
@@ -478,14 +484,13 @@ GEM
       docile (~> 1.1.0)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.1)
-    slop (3.6.0)
+    simplecov-html (0.10.2)
     sparkpost_rails (1.4.0)
       rails (>= 4.0, < 5.1)
     sprockets (3.7.1)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.2.0)
+    sprockets-rails (3.2.1)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
@@ -517,11 +522,11 @@ GEM
       nokogiri (>= 1.2.0)
       rack (>= 1.0)
       rack-test (>= 0.5.3)
-    websocket-driver (0.6.5)
+    websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.2)
     will_paginate (3.1.6)
-    xmlrpc (0.2.1)
+    xmlrpc (0.3.0)
     xpath (2.1.0)
       nokogiri (~> 1.3)
 
@@ -533,7 +538,7 @@ DEPENDENCIES
   active_utils
   activemerchant
   acts_as_paranoid (~> 0.5.0)
-  better_errors
+  better_errors (~> 2.2.0)
   binding_of_caller
   bluecloth
   bonsai-elasticsearch-rails
@@ -574,7 +579,6 @@ DEPENDENCIES
   haml-rails
   haml_lint
   hashie (>= 3.5.3)
-  heroku-api
   i18n-tasks
   jasmine
   jquery-rails
@@ -591,6 +595,7 @@ DEPENDENCIES
   omniauth-flickr (>= 0.0.15)
   omniauth-twitter
   pg
+  platform-api
   poltergeist
   pry
   quiet_assets
diff --git a/app/services/planting_predictions.rb b/app/services/planting_predictions.rb
index 47b9bca69..c71d56964 100644
--- a/app/services/planting_predictions.rb
+++ b/app/services/planting_predictions.rb
@@ -17,7 +17,7 @@ class PlantingPredictions
   def percentage_grown
     return nil unless @planting.days_before_maturity && @planting.planted?
 
-    days = (Date.current - @planting.planted_at.to_date).to_i
+    days = (Date.current - @planting.planted_at.to_date).to_f
 
     return 0 if Date.current < @planting.planted_at
     return 100 if days > @planting.days_before_maturity
diff --git a/package.json b/package.json
index 475973c0e..a46ef1516 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,6 @@
     "coffeelint": "^1.16.0",
     "csslint": "^1.0.5",
     "eslint": "^3.17.1",
-    "git-guilt": "^0.1.1",
     "jshint": "^2.9.4"
   },
   "repository": {