[BlackBerry 10] Ported moaicore.

  * Added projects for: jpeg, luaext and moaicore.
  * Fixed QNX-specific ifdefs on:
    - src/moaicore/MOAIMutex_posix.h
    - src/moaicore/MOAITextureBase.cpp
    - src/moaicore/MOAIThread_posix.cpp
    - src/moaicore/MOAIThread_posix.h
    - src/moaicore/MOAIFrameBuffer.cpp
    - src/moaicore/pch.h