merge. pulled in sunshine-stable.

indra/llmessage/CMakeLists.txt

indra/llmessage/llavatarnamecache.cpp

indra/llmessage/llcurl.cpp

indra/llmessage/llcurl.h

indra/llmessage/llhttpclient.cpp

indra/llmessage/llhttpclientadapter.cpp

indra/llmessage/llhttpconstants.cpp

indra/llmessage/llhttpconstants.h

indra/llmessage/llhttpnode.cpp

indra/llmessage/llhttpnode.h

indra/llmessage/lliohttpserver.cpp

indra/llmessage/lliohttpserver.h

indra/llmessage/lliosocket.cpp

indra/llmessage/lliosocket.h

indra/llmessage/llmime.cpp

indra/llmessage/llmime.h

indra/llmessage/llsdappservices.cpp

indra/llmessage/llsdhttpserver.cpp

indra/llmessage/llsdrpcclient.h

indra/llmessage/lltrustedmessageservice.cpp