[Flash_online] add yellow button backup|flash:
- this will first create a backup of your settings, then it will start the download and FlashOnline.
- for local flash you will get a message box with the question if you first want to backup your settings (default is set to no)
update de.po for Flash_online
update for entwopia OEM
[marvel1] remove yuv
nolcd for ew7358 modell
add 'beyonwizt3' oem infos
[ini] add rtc offset again
[Flash_online]  GUI for selecting the post-flash action (THX to Fischreiher)
[Flash_online] fix typo
update en/en_GB.po Flash Online
[Flash_online] fix exit button
Merge branch 'master' of github.com:openatv/enigma2
small update
[lcd] fix gs for sf8 (has no lcd)
Merge branch 'master' of https://github.com/openatv/enigma2