Implement the TalkillaSPASetup class
Open an iframe when setting up the Talkilla SPA
Listen for the SPA enabling from the iframe
Remove dead code
Fix functional tests
Tests: wait for the signin button to appear
Sidebar: explain why we catch every window message
Merge branch 'master' into iframe-login
Fix JSHint errors
Handle a video media option on the resume message to be able to resume without video
Fix a couple of comments
Improve readability and documentation of the call resume functions
Improve ChatApp handling of accept, hold and resume messages
Address pull request comments
Merge pull request #338 from Standard8/resume_video

Handle a video media option on the resume message to be able to resume without video
Merge branch 'master' of github.com:mozilla/talkilla
Remove the setup link: load the iframe from the beginning
Improve the iframe destruction and creation flow
Fix tests
Merge pull request #332 from tOkeshu/iframe-login

Talkilla SPA setup via iframe