TextureCache: Get rid of explicit deletes in SaveTexture
Merge pull request #1383 from lioncash/delete

TextureCache: Get rid of explicit deletes in SaveTexture
Removes ARMv7 specific byteswap routines from CommonFuncs.h

GCC has optimized this using the exact same code since 4.7 or 4.8.
Android building falls back to the __linux__ route.
No need to keep these around anymore since we aren't building on an old GCC version.
Merge pull request #1389 from Sonicadvance1/remove-armv7-opt

Removes ARMv7 specific byteswap routines from CommonFuncs.h
Removes unused cmake script for finding GLEW.
Merge pull request #1391 from Sonicadvance1/remove-cmake-glew

Removes unused cmake script for finding GLEW.