Merge pull request #433 from lring/develop

Videocalling updates
ActivitySchema.run() and EXIT
Revert "ActivitySchema.run() and EXIT"

This reverts commit 585e8410736d1eed4d1b7155bc1dfe461f11f324.
ActivitySchema.run()
End session for unanswered incoming video call
For sending hide_plugin
Fix to videocalling and almost done logging.
Logging fixes