switch to using postgres in dev and test

Gemfile

@@ -117,10 +117,6 @@ gem 'omniauth-flickr', '>= 0.0.15'
 
 gem 'rake', '>= 10.0.0'
 
-group :development, :test do
-  gem 'sqlite3'                      # database engine
-end
-
 group :development, :test, :travis do
   gem 'haml-rails'                   # HTML templating language
   gem 'rspec-rails', '~> 2.12.1'     # unit testing framework

Gemfile.lock

@@ -251,7 +251,6 @@ GEM
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sqlite3 (1.3.9)
     term-ansicolor (1.3.0)
       tins (~> 1.0)
     therubyracer (0.12.1)
@@ -327,7 +326,6 @@ DEPENDENCIES
   rake (>= 10.0.0)
   rspec-rails (~> 2.12.1)
   sass-rails (~> 3.2.3)
-  sqlite3
   therubyracer (~> 0.12)
   twitter-bootstrap-rails!
   uglifier (>= 1.0.3)

config/database.yml

@@ -1,14 +1,12 @@
 development:
-  adapter: sqlite3
-  database: db/growstuff_dev.sqlite3
-  pool: 5
-  timeout: 5000
+  adapter: postgresql
+  database: growstuff_dev
+  host: localhost
 
 test:
-  adapter: sqlite3
-  database: db/growstuff_test.sqlite3
-  pool: 5
-  timeout: 5000
+  adapter: postgresql
+  database: growstuff_test
+  host: localhost
 
 # should be identical to test apart from running on postgres
 travis: