Add option for record indication in service list

Todo: alternative services and possibly different ways to indicate if a service is currently recorded
Also check in alternatives (groups) when they are recorded in servicelist

And make the check a separate function that possibly can also be called from python
Use virtual keyboard when inserting new marker or new bouquet

Instead of InputBox. This is more user friendly.
Add additonal font in red mode as recording indicator in channellist
Use a lass agressive red color to mark recorded services
Fix for parental control issue by Dima73
Only check for recorded services when the indication feature is enabled

And in addition slightly simplify some code around painting the recording icon
de.po: Update German Translations

Signed-off-by: Littlesat <littlesat99@yahoo.com>
scan both DVB-T/T2 when 'system' is not specified in terrestrial.xml
SleepTimerEdit: indicate if sleeptimer is active or not

And give an indication about the remaining time
In addition fix a bug when the sleeptimer config was changed

Thanks Dima73 for the suggestions
eDVBScan: add sanitycheck on m_ch_current

dc4498c8361646bff74b542a88e046f7b79fbc2d could cause a segfault
SleepTimerEdit: Only disactivate sleeptimer when it was running before
Solve GSOD when removing currently played radio service

WHen in radio mode the channelselection was always displayed you could get
a GSOD. Thanks Dima73 for reporting.
Commit a different fix for the GSOD in the radiomode

As the previous fix could get a GSOD when for example you are in the
movemode
httpstream: fix off-by-one error which might result in a segfault.
etpm: fix possible segfault

The indent was incorrect which concealed a block of memory
being used (returned) after been released. The pointer now
explicitly set to NULL prevents this.
Ensure that after start of enigma2 PositionGauge is not polled
Solve most likely a copy and paste typo around autoaudio_ddp
Avoid that InfoBarTimeshif state is shown when coming from audioselection

And possibly other instantiated infobar screens. This was intrododuced by
commit
http://sourceforge.net/p/openpli/enigma2/ci/dd50f6ce9d90eae0a513f4325a32fb7596791d35/
and solved by only doing this the first time when the InfoBar is executed.

Thanks Beeker for the early reporting
http://openpli.org/forums/topic/34480-osd-player-na-verlaten-hoofdaudiomenu/
Small changes to TimerList as suggested by DeBeek