Update events to include series (repeating events) ON CREATION

Update to views & controller
Update to event modal
Changed location overbooked from validation error to warning for series
creation
***Warnings for Series not implemented
Add Delete buttons to edit form

Deletes non-repeating event
Deletes from series - future, all, or single event
Uses a modal dialog for delete confirmation
Changed Text of Delete modal buttons
Added full_calendar instead of calendar helper

Removed jQuery date picker from sidebar
Modals used to show event details
Event Series updates still pending (including tests)
Added rspec support for Chosen select
Updated Capybara to v2.2.1

updated request specs
Added method EventSeries.update_event to model

EventSeries - ability to update a Series
EventSeries model - Add account_id field & default scope
Event - removed scope for_monthly_calendar since not used anywhere
Add ability to update series

Had to update model to show errors
Warnings still pending
Added ability to add New Event by clicking on calendar

Modal appears to select Event Type
For day & week mode, will auto-populate Date & Time
For month mode, will auto-populate Date only
Cleaned up specs to make more readable
Fixed Time Zone bug in Event model & cosmetic changes on Calendar

Only show start time on Calendar Monthly view
Changes font of Monthly events
Fixed time_zone error when saving/querying events
Merge branch 'event-series'