settings: fix conflict of <minimum> and <maximum> for CSettingList
[language] update strings.po for missing PVR help text
[release] version bump to 13.0 beta2
Merge pull request #4318 from MartijnKaijser/b2

bump to Gotham beta2
Merge pull request #4319 from Memphiz/tvoutnonativekeyboard

[ios] - only use the native keyboard if tvout is not used (native keyboa...
Merge pull request #4324 from FernetMenta/wasapi

WASAPI: increase audio buffer for USB devices, fixes audible distortion
[language] fix wrong string meaning. should say "Apple Remote support could not be enabled"
[language] remove unused setting descriptions
[language] fix typo
[language] fix inconsistent naming of Blu-ray and improve wording of related labels
[Confluence] fix usage of "next" label in mismatching contexts, which caused trouble in translations
[DROID][JNI] Add method to query HW sample rate.
[DROID][AE] Don't guess at supported sampling rate

Android will resample to the "native" sample rate defined in firmware so
only use that rate.
Merge pull request #4325 from MartijnKaijser/gotham_langfixes

Gotham langfixes
AE: only display setting for EAC3 if sink supports it
Merge pull request #4343 from FernetMenta/eac3

AE: only display setting for EAC3 if sink supports it
ActiveAE: use keep alive timer when stream is paused
ActiveAE: add windowing callback for application focus change
[osxsink] - properly set the ae device type based on either ca or heuristical criteria - fixes DisplayPort not detected as LPCM capable and maybe others

Conflicts:
	xbmc/cores/AudioEngine/Sinks/AESinkDARWINOSX.cpp
[osxsink/iossink] - don't block addpackets if ca didn't do the initial data pull - but timeout gracefully for signaling an error condition to the engine (use a timer for detecting a real timeout as condvar can be signaled by spurious interrupts)