Merge latest viewer-release with FBC

.hgtags

BuildParams

autobuild.xml

build.sh

doc/contributions.txt

indra/CMakeLists.txt

indra/cmake/BuildVersion.cmake

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

indra/llmath/v4color.h

indra/llmessage/llhttpclient.cpp

indra/llmessage/llhttpclient.h

indra/llmessage/llinstantmessage.h

indra/llmessage/llurlrequest.cpp

indra/llmessage/llurlrequest.h

indra/llplugin/llplugincookiestore.cpp

indra/llplugin/llplugincookiestore.h

indra/llui/CMakeLists.txt

indra/llui/llbutton.cpp

indra/llui/llchatentry.h

indra/llui/llfloater.cpp