updated dependencies in Gemfile
updated zeus
locked down Rspec to <3.0, because of too mane deprecations
updated jasmine config files
code review refactoring
Merge pull request #437 from YaroSpace/Gemfile_update

Gemfile update
Added HTTParty to Gemfile
Added SlackService
Passing in Category and Event Name to Slack
Add Spec for SlackService in Hangouts Controller
Specs for SlackService
Moving over to module from class