merge from latest svn/viewer-2-0 to hg/viewer-2-0

doc/contributions.txt

indra/cmake/00-Common.cmake

indra/cmake/LLAddBuildTest.cmake

indra/cmake/LLWindow.cmake

indra/cmake/Python.cmake

indra/linux_crash_logger/CMakeLists.txt

indra/llaudio/llaudiodecodemgr.cpp

indra/llaudio/llaudioengine_fmod.cpp

indra/llaudio/llvorbisencode.cpp

indra/llaudio/llvorbisencode.h

indra/llcharacter/CMakeLists.txt

indra/llcharacter/llbvhloader.cpp

indra/llcharacter/llbvhloader.h

indra/llcharacter/llgesture.cpp

indra/llcharacter/lljointsolverrp3.cpp

indra/llcharacter/tests/lljoint_test.cpp

indra/llcommon/CMakeLists.txt

indra/llcommon/bitpack.cpp

indra/llcommon/lldate.h

indra/llcommon/llerror.h