Do not save root when root is changed by numberZap in ChannelSelection

Thanks Dima73
Change hotkeys in channelselection contectmenu to align linux style

As suggested by IMS

In addition enable wrap-a-round in bouquetSelector and add hotkey to the
add service to userbouquet.
Disable find currently played service when we are in pipzap mode
Merge branch 'master' of git://git.code.sf.net/p/openpli/enigma2 into BETA

Resolved Conflicts:
	lib/python/Screens/ChannelSelection.py