SPU Improvement

Some instructions implemented with SSE intrinsics
Merge branch 'master' of https://github.com/DHrpcs3/rpcs3
Merge branch 'master' of https://github.com/DHrpcs3/rpcs3
Improved PSF loader.
Improved Game Viewer.
Implemented cellPadGetInfo.
Minor improvements.
MFC

Minor changes
Merge branch 'master' of https://github.com/DHrpcs3/rpcs3
Improved Boot UI.
Added dev_usb000.
Fixed Game Viewer.
Minor fixes.
Refresh Game Viewer after Install PKG
Revert "SPU Improvement"

This reverts commit 9bf8f2eec551b43ce5b433c7da70ae57d2305c4f.
Merge branch 'master' of https://github.com/DHrpcs3/rpcs3
First cellFont functions & minor changes

* Edited .gitignore
* Moved some functions to cellFontFT.
* Now cellFont initializes correctly, but it doesn't render anything
yet. There are still several things to change and functions to
implement. I will take care of it.
Fixed conflicts
Merge branch 'master' of https://github.com/DHrpcs3/rpcs3
Basic DMA, MFC, channel changes

Added new consts, thread-safe locks for critical resources, removed some
warnings. Modified git-version.h
Relocate sys_process_is_stack to sysPrxForUser.cpp
Relocate sys_process_is_stack to sysPrxForUser.cpp
MBox, some improvements

Some changes reverted (warnings), multi-thread safety fixed, MBox MMIO
modified
STBUX implemented

Missed PPU opcode + replaced some non-unicode non-ASCII characters in
PPPInstrTable.h
Merge branch 'master' of https://github.com/DHrpcs3/rpcs3
Win32 fix & elf loading fix

Fixed compilation error for x86 version. Fixed issue with ELF loading.