Add files for v4.2.0
Update readme
Add files for v4.2.1
Merge remote-tracking branch 'brightcove/master'
Update podspec
Add file for v4.2.2
Merge remote-tracking branch 'brightcove/master'
Update podspec
Merge pull request #2 from erikvdwal/master

Update Brightcove Player to version 4.2.2