refactored js and specs not to be stubbed out in application.js
minor refactoring
added features and steps towards new hangout
modified show view and specs
new cuc tests for hangouts
new rspec tests for hangouts
changes to events (hangouts) view to satisfy tests
refactored featurs and steps
refactored show view and specs
added feature for restart hangout and steps
added warning text and restart button to show view and specs
added manual update for hangout link
refactored show view and partials
removed outdated features from events
minor refactoring
added a stub for SlackService
removed unnecessary comma from button definition
added a couple of tests for case when hangout has not started for signed in users.  Also, rubymine doesn't like: Time.stub(now: Time.parse('10:30:00')), but I left it alone.
more new tests
extracted events js into a separate file