JIT: rename a few constants to be more accurate

Remove the '2'; it's not longer applicable.
Add AArch64 emitter aliases for MOV and MVN.
Fix AArch64 JIT compiling.
X64Emitter: add MOVHLPS/MOVLHPS
JIT: add ps_cmp0/ps_cmp1 implementations using current fcmp code
JIT: add ps_res and ps_rsqrte using scalar implementations
Merge pull request #1114 from Sonicadvance1/AArch64-fix-build

Fix AArch64 JIT compiling.
Merge pull request #1112 from Sonicadvance1/AArch64-mov-aliases

Add AArch64 emitter aliases for MOV and MVN.
Show OpenGL or OpenGL ES on Android depending on what the device supports.
Reduces confusion for the users
Merge pull request #1122 from Sonicadvance1/Android-reduce-confusion

Show OpenGL or OpenGL ES on Android depending on what the device supports
WIP XFB scaling.

Still an ugly mess.
Add a comment to the software renderer that stride should be implemented
Merge pull request #977 from Sonicadvance1/xfb-scaling-rebased

XFB Scaling
Merge pull request #1103 from FioraAeterna/floatconstnaming

JIT: rename a few constants to be more accurate
Merge pull request #1109 from FioraAeterna/ps_cmp

JIT: add ps_cmp0/ps_cmp1/ps_res/ps_rsqrte