fixed updating value in-place, ref update was failing for some cases
fixed some typos
Merge branch 'playerFeatures' into 2.1.2-26-Jan

Conflicts:
	studio/playerFeatures.php
mwEmbed project files should use tabs instead of spaces
Merge branch '2.1.2-26-Jan' of https://github.com/kaltura/mwEmbed.git into 2.1.2-26-Jan
support fallback for enum based values that have not been converted yet