Merge from viewer-experience

.hgtags

BuildParams

autobuild.xml

doc/contributions.txt

indra/llcommon/llerror.cpp

indra/llcommon/llerror.h

indra/llcommon/llinstancetracker.h

indra/llcommon/llsingleton.h

indra/llcommon/llversionviewer.h

indra/llcommon/tests/llinstancetracker_test.cpp

indra/llmessage/CMakeLists.txt

indra/llmessage/llcurl.cpp

indra/llmessage/llcurl.h

indra/llmessage/llhttpassetstorage.cpp

indra/llmessage/llhttpclient.cpp

indra/llmessage/lliosocket.cpp

indra/llmessage/lliosocket.h

indra/llmessage/llpacketring.cpp

indra/llmessage/llpacketring.h

indra/llmessage/llproxy.cpp