Navigation: Fix missed import of config

Could lead to GSOD when some plugin puts the box in standby before
Navigation.py was executed.
RecordTimer: Change behavior when recording ends

Only perform actions on the end of an recording when no other recording is
busy or no other recording will be made within 6 minutes.
Merge branch 'master' of git://git.code.sf.net/p/openpli/enigma2

Conflicts:
	RecordTimer.py