added interactive filter buttons to Calendar. Still next month does not work
added waiting spinner gif and handler
fixed not binding events on ready function. changed default filter to hide HotFix
Next and Prev buttons working with Filters(almost).State of filter is not remembered
changed configuration for rspec
added Spork and Guard integration to RSpec
removed guard and changed version of Spork
added spring and guard again for running on Ubuntu and MacOS
added gems for guard, spring, factory_girl. Guard runs and spring runs
fixed conflicts from merge