Added new things, updated others

+ Tab in settings for cellCamera and cellGem related things, currently
includes setting camera type
+ cellCamera and cellGem initilization
+ Added cellCameraGetType
* Updated asmjit and ffmpeg
* Some minor optimizations
Minor cellSysutil fix
Comment fix
Merge pull request #799 from tambry/cellCameraAndGemAndOtherUpdates

Cell camera and gem and other updates
Fixed cellFsStReadInit issue

* Disabled automatic HLEExitOnStop option when the ELF file argument is
provided.
* Reverted some changes of last pull.
implement cellFsStRead (does *not* use ringbuffers)
Merge pull request #800 from darkf/stread

implement cellFsStRead (does *not* use ringbuffers)