omxplayer: move CanSeek/CanPause to seekable interface
omxplayer: move navigator state into IMenus
regression with hebrew characters.
Revert "fixed bug with arial.ttf"

This reverts commit a5b3131d54da5dc2365415bf4ebfcaac343fbf67.
Merge pull request #3518 from popcornmix/Frodo_fix_rpi

[rbp/omxplayer] Add missing omxplayer changes to previous commits