Upgraded to Rails 4 with some refactoring

- Upgraded to Rails 4.1.1
- Re-factored for Rails 4 compatibility
- Enabled turbolinks and rewritten scripts to support it
- Standardized use of time_ago helper method by replacing all instances
of alternate methods
- Removed "query" from channels
- Replaced points_updater observer with "Scorable" concern
- Added "Optionable" concern with code entire rewritten in much cleaner
ruby
- Update code to work with new bootstrap_forms syntax
- IMP: Removed catch all route definition that matches all
controller/actions in order to encourage explicit definition of all
required routes
- Added jquery-rails gem , removed library added by hand previously
- Fixes #8