fix application.rb: env values where not being used
fix application.yml.example: mailing_lists was in lower case
use CONFIG variables instead of using ENV directly

this way we can set up everything by either using the application.yml file or
ENV varibales (since application.rb loads application.yml and ENV
variables).
set feedback link url as a config variable

this way it can be different in different instances
fix feedback link
set users' feedback form link as a config variable

this way we can set up different hostings
add github integration config variable

as a first step to merge master and heroku
use config variable GITHUB_INTEGRATION
fix tests for GITHUB integration
fix password validations and create users tests
add .env to .gitignore
update gems

update gem versions
add heroku and github gems
set ruby to 1.9.3
use CONFIG variables instead of using ENV directly

this way we can set up everything by either using the application.yml file or
ENV varibales (since application.rb loads application.yml and ENV
variables).

Conflicts:
	README.rdoc
	app/views/layouts/application.html.erb
	config/initializers/omniauth.rb
	config/newrelic.yml
	lib/gems_status_wrapper.rb
set feedback link url as a config variable

this way it can be different in different instances

Conflicts:
	app/views/layouts/application.html.erb
add github integration config variable

as a first step to merge master and heroku
add ping html
add ping

Conflicts:
	app/controllers/home_controller.rb
	config/routes.rb
	test/controllers/home_controller_test.rb
add heroku instructions
update heroku git instructions
use CONFIG variables instead of using ENV directly

this way we can set up everything by either using the application.yml file or
ENV varibales (since application.rb loads application.yml and ENV
variables).

Conflicts:
	README.rdoc
	app/views/layouts/application.html.erb
	config/initializers/omniauth.rb
	config/newrelic.yml
	lib/gems_status_wrapper.rb

Conflicts:
	config/application.rb