added Hangout feature and steps
 added Event show view specs and code
added code and specs to EventsController
added table and model for Hangouts
added hangoutsController and route
moved partials into hangouts directory
minor refactoring
changed type of foreign key for events
renamed the Hangouts controller
added routes for :options preflight check of cors
moved hangout specific code to partials
moved javadcript into js file
include javascript with content_for
moved WSO secrvice connection application id to initializer
extracted hangout button spec to a shared example
extracted event topic to  a helper method
added Events <- Hangouts association
refactored button loading javascript
added jasmine tests for hangout button js