IMPL Some Mpeg

ref https://github.com/hrydgard/ppsspp/issues/508
please help to check whether I IMPL correctly
Add a comment that it's just a random address
Add a debug log for sceMpegAvcResourceFinish
Handle  ringbufferAddr =0 in sceMpegCreate
Remove PSP_ERROR_MPEG_INVALID_VALUE in scempeg.cpp
Implement sceDisplayGetMode & wrap *Hcount*
Wrap sceDisplayIsVblank as well
OSK typo
Merge pull request #873 from raven02/patch-1

OSK typo
Merge pull request #872 from raven02/patch-2

Implement sceDisplayGetMode & wrap *Hcount* , sceDisplayIsVblank
Armjit: Optimise swl+swr and lwl+lwr cases that can be combined to a single sw or lw. Add shift flags to STR/LDR. Add EatInstruction to ArmJit.
Armjit: Implement lwl, lwr, swl, swr in ARM JIT. lwr is currently disabled as it isn't working.
Armjit: Fix lwl, lwr and enable again. Thanks Sonic.
Add French translation to Qt4 UI

Almost full translation of the UI (missing some too scientific words or
expressions, but as almost all the untranslated words are in the
debuging menu, it won't affect the user who just wants to play)
Merge pull request #876 from Titouf2609/master

Add French translation to Qt4 UI
Merge pull request #874 from mikusp/master

Add new translations to resources.qrc
Merge pull request #867 from sum2012/master

IMPL Some Mpeg and Handle ringbufferAddr =0 in sceMpegCreate
armjit: disable lwl/lwr/swl/swr
Reencode in UTF8 and correct bug in file
Merge pull request #879 from Xele02/qt_work

Reencode Grec translation in UTF8 and correct bug in file