Improve sceKernelStartModule handling

Fixes 'bogus priority' errors (and maybe more).
Tested on God Eater Burst and fixed its "bogus priority". I haven't found any games this breaks.
Update sceKernelModule.cpp
Fix the save loading for God Eater Burst and Gundam VS Gundam NP
Update sceKernelModule.cpp
ARMJIT: Fix and use DIV, DIVU, INS and EXT (ARMv7 and VFPv4 implementations).
Add more logging to elf loading, cleanup.
Add a couple more unknown syscalls.
Keep track of imported/exported vars.

Not yet actually linked up, though.
Merge pull request #1900 from xsacha/master

ARMJIT: Fix and enable DIV, DIVU, INS, EXT including ARMv7 and VFPv4 variants.
Perform the actual variable relocations, hurray.
Merge pull request #1902 from unknownbrackets/elf-fix

Process variable imports
Integrate atrac3+ low level decoding from oioitff media branch
Merge pull request #1905 from raven02/patch-30

Integrate atrac3+ low level decoding from oioitff media branch
Merge pull request #1874 from oioitff/atrac3plus

Use filter directly without register.
Update sceKernelModule.cpp
Merge pull request #1894 from CPkmn/kernel

Improve sceKernelStartModule handling
Add atrac3+ mono audio WARN_LOG when atrac->atracChannels == 1
Add (low level) to distinguish with high level decode
Merge pull request #1906 from raven02/patch-31

Add WARN_LOG for atrac3+ mono audio
Fix crash when low level decode hits atrac3 audio