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
Merge branch 'master' of git://git.code.sf.net/p/openpli/enigma2