revert to devise 3.0.x due to confirmable misbehaviour

as documented here: https://github.com/plataformatec/devise/issues/3009

also update mailer to use letter_opener and also localhost:8080 since
we're mostly using unicorn at this point.

Gemfile

@@ -84,6 +84,7 @@ group :development do
   gem 'debugger'
   gem 'better_errors'
   gem 'binding_of_caller'
+  gem 'letter_opener'
 end
 
 # Markdown formatting for updates etc
@@ -93,7 +94,7 @@ gem 'bluecloth'
 gem 'will_paginate', '~> 3.0'
 
 # user signup/login/etc
-gem 'devise'
+gem 'devise', '~> 3.0.0'
 
 # nicely formatted URLs
 gem 'friendly_id', '~> 4.0.10'

Gemfile.lock

@@ -58,8 +58,11 @@ GEM
     activesupport (3.2.13)
       i18n (= 0.6.1)
       multi_json (~> 1.0)
+    addressable (2.3.6)
     arel (3.0.3)
     bcrypt (3.1.7)
+    bcrypt-ruby (3.1.5)
+      bcrypt (>= 3.1.3)
     better_errors (1.1.0)
       coderay (>= 1.0.0)
       erubis (>= 2.6.6)
@@ -70,7 +73,7 @@ GEM
       railties (>= 3.0)
     builder (3.0.4)
     cancan (1.6.10)
-    chunky_png (1.3.0)
+    chunky_png (1.3.1)
     coderay (1.1.0)
     coffee-rails (3.2.2)
       coffee-script (>= 2.2.0)
@@ -103,11 +106,10 @@ GEM
       debugger-ruby_core_source (~> 1.3.2)
     debugger-linecache (1.2.0)
     debugger-ruby_core_source (1.3.2)
-    devise (3.2.4)
-      bcrypt (~> 3.0)
+    devise (3.0.4)
+      bcrypt-ruby (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 3.2.6, < 5)
-      thread_safe (~> 0.1)
       warden (~> 1.2.3)
     diff-lcs (1.1.3)
     docile (1.1.3)
@@ -150,6 +152,8 @@ GEM
       thor (>= 0.14, < 2.0)
     json (1.7.7)
     kgio (2.9.2)
+    launchy (2.4.2)
+      addressable (~> 2.3)
     leaflet-markercluster-rails (0.7.0)
       railties (>= 3.1)
     leaflet-rails (0.7.2)
@@ -158,6 +162,8 @@ GEM
     less-rails (2.3.3)
       actionpack (>= 3.1)
       less (~> 2.3.1)
+    letter_opener (1.2.0)
+      launchy (~> 2.2)
     libv8 (3.16.14.3)
     mail (2.5.4)
       mime-types (~> 1.16)
@@ -252,7 +258,6 @@ GEM
       libv8 (~> 3.16.14.0)
       ref
     thor (0.19.1)
-    thread_safe (0.3.3)
     tilt (1.4.1)
     tins (1.1.0)
     treetop (1.4.15)
@@ -292,7 +297,7 @@ DEPENDENCIES
   csv_shaper
   dalli
   debugger
-  devise
+  devise (~> 3.0.0)
   factory_girl_rails (~> 4.0)
   figaro
   flickraw
@@ -308,6 +313,7 @@ DEPENDENCIES
   leaflet-rails
   less (~> 2.3.2)
   less-rails (~> 2.3.3)
+  letter_opener
   libv8 (= 3.16.14.3)
   memcachier
   newrelic_rpm

config/environments/development.rb

@@ -40,9 +40,9 @@ Growstuff::Application.configure do
 
   # Growstuff config
   config.new_crops_request_link = "http://example.com/not-a-real-url"
-  config.action_mailer.default_url_options = { :host => 'localhost:3000' }
+  config.action_mailer.default_url_options = { :host => 'localhost:8080' }
 
-  config.action_mailer.delivery_method = :smtp
+  config.action_mailer.delivery_method = :letter_opener
   config.action_mailer.smtp_settings = {
       :port =>           '587',
       :address =>        'smtp.mandrillapp.com',

config/environments/test.rb

@@ -39,7 +39,7 @@ Growstuff::Application.configure do
 
   # Growstuff config
   config.new_crops_request_link = "http://example.com/not-a-real-url"
-  config.action_mailer.default_url_options = { :host => 'localhost:3000' }
+  config.action_mailer.default_url_options = { :host => 'localhost:8080' }
 
   Growstuff::Application.configure do
     config.host = 'test.example.com'

config/initializers/devise.rb

@@ -6,7 +6,7 @@ Devise.setup do |config|
   # note that it will be overwritten if you use your own mailer class with default "from" parameter.
   config.mailer_sender = "Growstuff <noreply@growstuff.org>"
 
-  config.secret_key = ENV['RAILS_SECRET_TOKEN'] || 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
+  # config.secret_key = ENV['RAILS_SECRET_TOKEN'] || 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
 
   # Configure the class responsible to send e-mails.
   # config.mailer = "Devise::Mailer"