Merge remote-tracking branch 'singu/master' into curlthreading2

Conflicts:
	indra/llcommon/CMakeLists.txt
	indra/llmessage/llcurl.cpp
	indra/llmessage/llcurl.h
	indra/llmessage/llhttpclient.cpp
	indra/llmessage/llhttpclient.h
	indra/llmessage/llpumpio.cpp
	indra/llmessage/llpumpio.h
	indra/llmessage/llurlrequest.cpp
	indra/llmessage/llurlrequest.h
	indra/newview/hipporestrequest.cpp
	indra/newview/llappviewer.cpp
	indra/newview/llspatialpartition.cpp
	indra/newview/llviewermedia.cpp
	indra/newview/llxmlrpctransaction.cpp

Conflicts resolved by choosing curlthreading2
for any llmessage file regardless (which looks
correct upon investigation); the rest also
turned out to need to use curlthreading2, except
in one line where I added a semi-colon after
an assert(), and the assert was changed in
singu/master.

indra/llmessage/llsdmessage.cpp

@@ -88,7 +88,7 @@ bool LLSDMessage::httpListener(const LLSD& request)
                                                        request,
                                                        url, "POST", reply, error),
                        LLSD(),      // headers
-                       timeout);
+                       (F32)timeout);
     return false;
 }