UI and 2.2 API update
Removed hardcoded session id, token and api key
Merge pull request #1 from bsrao/OPENTOK-12124

UI and 2.2 API update
add OpenTok framework 2.2
Deleting old graphics
Adding new  graphics
Style changes and minor fixes
Arrows UI update
subcriber scroll  and publisher view out of screen fixes
resolve conflict
Merge branch 'bsrao-OPENTOK-12124'
More cosmetic changes and small fixes
Merge pull request #3 from bsrao/OPENTOK-12124

More cosmetic changes and small fixes
More UI changes and background mode support
Initial orientaion and End call fix
Merge pull request #4 from bsrao/OPENTOK-12124

Initial orientaion and End call fix OPENTOK 12124
Navigation bar and back button changes
Small cosmetic change
Enabled default video renderer
Merge pull request #5 from bsrao/OPENTOK-12124

Small cosmetic change OPENTOK-12124