fix projects admin sort
Merge pull request #630 from adrianob/fix_admin_sort

fix projects admin sort
updated google analytics gem
updated mixpanel code
added contributions information in body tag for tracking user behaviour
changed MixPanel view to use new events in tracking [#69029052]
fixed MixPanel variables
fixed MixPanel variables
Added method to create json specific for user analytics
Using new method to identify users in analytics tool
fixed aplication layout
fixed application layout
Merge branch 'master' of heroku.com:catarse-test
style adjusts