Use UPPER case for enum
Use LINEAR and LINEARFMV for framebuffer
Apply LINEAR/LINEARFMV to TextureCache
Framebuffer to memory : Skip frame inline with frameskipping option
Merge pull request #2894 from raven02/patch-2

Code cleanup :Use UPPER case for enum
Merge pull request #2895 from raven02/patch-4

FBO to memory : Skip frame along with frameskipping option
Fix "for The variable 'ringbuffer' is being used without being initialized"

in Second Novel Kanojo no Natsu 15 fun no Kioku
Merge pull request #2896 from sum2012/mpg-patch

Fix "for The variable 'ringbuffer' is being used without being initialized"
Merge remote-tracking branch 'upstream/master' into fps2