fixed ks initialization when ks is not generated by php or passed with flashvars
Updated enable GUI test page and documentation
updated capture-thumb docs
updated docs to mention KS
fix getSources to include HD / web flavors
Stubs for widevine KS test file
Merge pull request #957 from rkreich/fix-ks-initialization

fixed ks initialization when ks is not generated by php or passed with flashvars
FEC-2211 store related videos in session var if storeSession is set
Merge pull request #1120 from kaltura/FEC-2211-related-videos-storeSession

FEC-2211 store related videos in session var if storeSession is set
Merge pull request #1081 from kaltura/2.20-Oct-19

2.20 is now on production .. merging to master.
update comments on admin ks sampl page
update error message per whitelist domain DENIED
Document LeadWithHLSOnFlash
link to api examples
#FEC-2135 #time 2h #comment add support for enableControlsDuringAd in JavaScript player (not Chromeless)
update version
bump to 2.20.2