add remaining attributes for injected plugins. 
reference facade plugin for watermark plugin. 
remove plugin=true flashvar param since plugin is already declared in
uiconf. 
Merge branch 'master' of https://github.com/kaltura/mwEmbed

Conflicts:
	modules/KalturaSupport/tests/FlavorSelector.preferedFlavorBR.qunit.html
	modules/KalturaSupport/tests/WatermarkTest.qunit.html