rollback minify css

damn it!
remove fake link
add header encoding
add plain-text message
upgrades rails 4.0.0 to 4.1.4
added js runtime as dependencie
exclude public/cache
fixes bug when tags are empty; closes #260
Merge pull request #261 from ciudadanointeligente/upgrade_to_rails_4.1.4

Merge branch 'upgrade_to_rails_4.1.4' into 'master'
removed unused dir
added explicit version of ruby
removed old heroku config file
moved testing environment's files
fixed paths for testing environment
Merge pull request #264 from ciudadanointeligente/refactor

Merge branch 'minor-structure-changes' into 'master'
added details for votes
disabled notification html template
fixed bug with priority field in bill search form; closes #269
fixed the display of congressmen responses in the main view
fixed wrong style in the response body