MAINT-1144: Break out llhttpclient_tut as standalone integration test.

indra/test/llhttpclient_tut.cpp ==> indra/llmessage/tests/llhttpclient_test.cpp,
with corresponding CMakeLists.txt changes in their respective directories.
This first commit merely moves the test source file without changing it --
separating out moves from edits simplifies code review.

indra/llmessage/CMakeLists.txt

@@ -254,6 +254,14 @@ if (LL_TESTS)
     "${CMAKE_CURRENT_SOURCE_DIR}/tests/test_llsdmessage_peer.py"
     )
 
+  LL_ADD_INTEGRATION_TEST(
+    llhttpclient
+    "llhttpclient.cpp"
+    "${test_libs}"
+    ${PYTHON_EXECUTABLE}
+    "${CMAKE_CURRENT_SOURCE_DIR}/tests/test_llsdmessage_peer.py"
+    )
+
   LL_ADD_INTEGRATION_TEST(llavatarnamecache "" "${test_libs}")
   LL_ADD_INTEGRATION_TEST(llhost "" "${test_libs}")
   LL_ADD_INTEGRATION_TEST(llpartdata "" "${test_libs}")

indra/test/CMakeLists.txt

@@ -37,7 +37,6 @@ set(test_SOURCE_FILES
     lldoubledispatch_tut.cpp
     llevents_tut.cpp
     llhttpdate_tut.cpp
-    llhttpclient_tut.cpp
     llhttpnode_tut.cpp
     lliohttpserver_tut.cpp
     llmessageconfig_tut.cpp