add pg to Gemfile, fix database.yml to use old format

Gemfile

@@ -24,6 +24,8 @@ gem 'bcrypt-ruby',          '~> 3.0.0'
 gem 'sunspot_rails'
 gem 'sunspot_solr',                       require: false
 
+gem 'pg'
+
 group :development, :test do
   gem 'pry-rails'
   gem 'awesome_print'       # console highlighting

Gemfile.lock

@@ -149,6 +149,7 @@ GEM
     parallel (1.3.3)
     parallel_tests (1.0.7)
       parallel
+    pg (0.18.4)
     polyglot (0.3.5)
     pr_geohash (1.0.0)
     pry (0.10.1)
@@ -303,6 +304,7 @@ DEPENDENCIES
   meta_request
   nokogiri
   parallel_tests
+  pg
   pry-rails
   rack-livereload
   rails (~> 3.2.19)

README.md

@@ -1,6 +1,7 @@
 [![Build Status](https://travis-ci.org/kekshd/keks.png?branch=master)](https://travis-ci.org/kekshd/keks)
-[![Coverage Status](https://coveralls.io/repos/breunigs/keks/badge.png?branch=master)](https://coveralls.io/r/breunigs/keks?branch=master)
-[![Code Climate](https://codeclimate.com/github/breunigs/keks.png)](https://codeclimate.com/github/breunigs/keks)
+[![Coverage Status](https://coveralls.io/repos/github/kekshd/keks/badge.svg?branch=master)](https://coveralls.io/github/kekshd/keks?branch=master)
+[![Code Climate](https://codeclimate.com/github/kekshd/keks/badges/gpa.svg)](https://codeclimate.com/github/kekshd/keks)
+
 
 KeKs is a common Rails application and may be installed like any other Rails app. The project is currently available in German only. The following describes one way to set it up on Debian stable.
 

config/database.yml

@@ -22,4 +22,10 @@ test:
   timeout: 5000
 
 production:
-  url: <%= ENV["PRODUCTION_DATABASE_URL"] %>
+  adapter: <%= ENV['PRODUCTION_DATABASE_ADAPTER'] %>
+  encoding: <%= ENV['PRODUCTION_DATABASE_ENCODING'] %>
+  database: <%= ENV['PRODUCTION_DATABASE_DATABASE'] %>
+  username: <%= ENV['PRODUCTION_DATABASE_USERNAME'] %>
+  password: <%= ENV['PRODUCTION_DATABASE_PASSWORD'] %>
+  host: <%= ENV['PRODUCTION_DATABASE_HOST'] %>
+  port: <%= ENV['PRODUCTION_DATABASE_PORT'] %>