Adds voting functionality

* Creates migration for votings
* updates db/schema file
Adds voting functionality

* Creates admin/voting controller to manage votings
* Adds new model voting
* Adds relationship in badges engine badge initializer
* Adds routes for voting
Adds voting functionality

* Creates admin/votings#index view
* Creates admin/votings#new view
* Adds space in admin layout
Adds voting functionality

* Adds link for vote MVP
* Fixes style for links
Adds voting functionality

* Adds link to voting section in admin
* Fix js to add active class in admin section
Adds voting functionality

* Remane voting model to votation model
* Remane migration of voting to votation
* Updates db/schema
Adds voting functionality

* Adds personal files to .gitignore
* Adds css rules for admin area
* Change relation for badge engine badge initializer
* Change name resource in config/routes
Adds voting functionality

* Renamed voting controller to votations controller
* Renamed voting views to votation views
* Fix link to helpers in admin views
Adds voting functionality

* Fix name issues in votation model
* Fix name issues in votation controller
* Adds fabricator for votation
Adds voting functionality

* Adds specs for votation model and controller
Adds voting functionality

* Removes unnecesary selfs
Merge pull request #81 from crowdint/feature/voting-mvp

Feature/voting mvp (Feature in progress)