[omxplayer] fixed, compiler warning
[omxplayer] Fix infinite loop if (next) bluray title can not be played
[omxplayer] Disable menu icon of the VideoOSD if a bluray is played in non nav mode
[omxplayer] use startpts as a time reference if no other is available

This avoids display of wrong time after seek, due to lack of timestamps
[omxplayer] factor out the omxplayer busy dialog waiting
Merge pull request #4534 from popcornmix/dvdplayer_merge

[omxplayer] merge missed commits from dvdplayer