openvix: build 554
[SoftwareUpdate] flag backup filename with 'SoftwareUpdate' when a software update created backup.
[SoftwareUpdate] only perform a Backup IF the backup location has been set.
[InfoBarGenerics] fix zapping with Chnl+/- button's when using alternates.
Merge branch 'master' of git://github.com/OpenViX/enigma2

Conflicts:
	ChangeLog