Merge branch 'master' of local repository into 2.5-March-23
added "logo" plugin to studio

moved some "look and feel" plugins into "plugins" section where they
don't directly relate to the visuals of the player.
Merge branch '2.5-March-23' into studio-updates-march-la-feedback

Conflicts:
	modules/KalturaSupport/KalturaSupport.manifest.php
Added in loadingSpinner with default values
restored initvalue for title plugin, hide templatePath no use yet.
added docs line for kpl0Id for passing in playlist id
added sequred configuration options to akamai manifest.
Merge branch 'master' of local repository into studio-updates-march-la-feedback
Merge pull request #570 from kaltura/studio-updates-march-la-feedback

Studio updates march LA feedback