Merge pull request #23 from lucianosousa/master

Fix wrong src path
Update database.yml.travis
Changing missing devise field migration.

This was created to support databases created from scratch.
Since our prod database has been created a long time, devise
migrations end up with different schemas, and thus this hack
is necessary. Shouldn't affect any existing code.
Updating omniauth gems, using auth mock to reenable spec
Adding SECRET_KEY to travis ci config
Organizing gems in Gemfile and including 'pry-meta' gem
Cleaning code
Improving spec_helper
Including zeus.json file
Removing duplicated file
Removing useless locale
Improving application.rb file
Cleaning views
Just show the register link if user is not signed in
Fixing styling on events list
In event page, just show image if there is one
There is no reason to truncate the description in event page
Replacing the static event name by a link in profiles
Event name now is a link in event page
Renaming .rvmrc to .rvmrc.example