Cleanup logout, settings
Update styling
Reset image and userName on logout, add tests
Merge branch 'dev' of https://github.com/uproxy/uproxy into dborkan-quit
Add "Get help" link to settings, update FAQ link styling, make # anchors optional
Add dark mask on top of roster when settings is displayed
Make roster take 100% width
Remove border-left on roster
Only launch "disconnected" error tab once.
Remove activeTab permission.

just the tabs permission is sufficient
Changes for code review
Check all tabs for disconnect tab.

checking just the active tab means a new disconnect tab will open if
the original becomes inactive.
Fix indenting.
Update styling for settings
Merge pull request #568 from uProxy/dborkan-quit

Add logout button that stops all peerconnections, restyle settings
Don't check for disconnect tab in browser_api

Instead the fix will be in chrome_connector
Add launchTabIfNotOpen function
Only stop getting in UI/config if connected.
Don't launch disconnect tab if it's already open.
Remove debugging code.