Upgrade Rails
Add new handlebars helpers for formatting date (using js strftime implementation), checking if date is in past, and truncating a string to a set number of words.
bump thunder punch gem - removing static role and replacing with worker role
Add generated sprite scss file to be ignored.
properly ignore generated scss sprite stylesheets
Bump rails version to fix vulnerabilities that were just made public.
Refactor to remove duplication.
Refactor to remove duplication.
Refactor to reduce duplication and clarify code dealing with user signin or creation via omniauth.
Add pluralize method to handlebars helpers.
Add loading image with gray background
Change calls to jquery 'delegate/undelegate' to use 'on/off'
Merge branch 'master' into production

Conflicts:
	Gemfile.lock