merge changes for 3.7.12-release

indra/cmake/GLOD.cmake

indra/cmake/GStreamer010Plugin.cmake

indra/cmake/Glui.cmake

indra/cmake/GoogleBreakpad.cmake

indra/cmake/GooglePerfTools.cmake

indra/cmake/Hunspell.cmake

indra/cmake/JPEG.cmake

indra/cmake/JsonCpp.cmake

indra/cmake/LLAddBuildTest.cmake

indra/cmake/LLPrimitive.cmake

indra/cmake/LLWindow.cmake

indra/cmake/NDOF.cmake

indra/cmake/OPENAL.cmake

indra/cmake/OpenJPEG.cmake

indra/cmake/OpenSSL.cmake

indra/cmake/PNG.cmake

indra/cmake/Prebuilt.cmake

indra/cmake/PulseAudio.cmake

indra/cmake/Tut.cmake

indra/cmake/UI.cmake