Fix for #1150 and improvements for #1143#1162

Merged

cobarx merged 2 commits intoTheWidlarzGroup:masterfrom

Aug 1, 2018

Commits on Jul 31, 2018

remove tracks that are not valid from textTracks; and default to system if selectedTextTrack unavailable
ashnfb
committed

Commits on Aug 1, 2018

Fix issue with embedded Bundle videos in Release configuration
ashnfb
committed