Add okay to merge tooltip
Add icons to tabs.

Fixes #496
Merge remote-tracking branch 'origin/master' into feature/icons
Merge pull request #499 from reviewninja/feature/icons

Feature/icons
Merge pull request #495 from reviewninja/feature/okaytomerge

Add okay to merge tooltip
Add okay to merge tooltip
Add logic to tooltip text
Put static text from js file to html template
Merge remote-tracking branch 'origin/master' into feature/okaytomerge

Conflicts:
	src/client/templates/pull/pull.html
Initialize tooltip text
Remove tooltip code duplication
Merge pull request #500 from reviewninja/feature/okaytomerge

Feature/okaytomerge
Fix comment text

Fixed #494
Merge pull request #501 from reviewninja/feature/commenttext

Fix comment text
Add github service tests

Use rewire to mock GitHubApi in order to mock the class
with our own test class.
Add test for webhooks:issues
Update status service to get issues by milestone
instead of label
Fix websockets, reimplement socket io cdn
Append add/remove star tooltip to body
Change repo name to repo id (bug fix)

Always update the status on issue closed, continue only
sending a notification if all issues are closed