Unbind all events when switching views.
Restore "playlist has ocurrences" error message.

Signed-off-by: Patricio Reboratti <darthpolly@gmail.com>
Proper view extension in PlayOut and Schedule.

Signed-off-by: Patricio Reboratti <darthpolly@gmail.com>
Lil cleanup 1.

Signed-off-by: Patricio Reboratti <darthpolly@gmail.com>
Fix POV resize when header folds.