RnP: Don't fail processing if an image can't be converted to png

 - fix recording of poll result. See issue #4237.

Fix demo10

[HTML5] Fix inconsistency inside the ACL, #4310

[HTML5 2.0] End meeting by moderator

[HTML5] - Replace Instances of getElementById

Fix typo

Fix recordings api

 - indicate thru the userId that a user is calling through the phone.

 - publish/unpublish recording
 - delete recording

 - get recordings

Shared notes changes

Shared notes ui changes

[HTML5] changed string id to camelCase

Switch from flash based fullscreen to html5 api based

Fix for switching back to fit-to-page