Merge tag 6.1.0-release from lindenlab/viewer-release

.hgtags

BuildParams

autobuild.xml

build.sh

indra/CMakeLists.txt

indra/cmake/CMakeLists.txt

indra/cmake/Copy3rdPartyLibs.cmake

indra/cmake/LLAddBuildTest.cmake

indra/cmake/LLBase.cmake

indra/cmake/Linking.cmake

indra/cmake/Requests.cmake

indra/cmake/Variables.cmake

indra/cmake/bugsplat.cmake

indra/integration_tests/llimage_libtest/CMakeLists.txt

indra/lib/python/indra/util/llmanifest.py

indra/linux_crash_logger/CMakeLists.txt

indra/llappearance/llavatarappearance.cpp

indra/llappearance/llavatarappearance.h

indra/llappearance/lllocaltextureobject.cpp

indra/llcharacter/llcharacter.h