ENH: Add XMLRPC support

CTestConfig.cmake

 SET (CTEST_PROJECT_NAME "CMake")
 SET (CTEST_NIGHTLY_START_TIME "21:00:00 EDT")
-SET (CTEST_DROP_METHOD "http")
-SET (CTEST_DROP_SITE "public.kitware.com")
-SET (CTEST_DROP_LOCATION "/cgi-bin/HTTPUploadDartFile.cgi")
-SET (CTEST_TRIGGER_SITE "http://${CTEST_DROP_SITE}/cgi-bin/Submit-CMake-TestingResults.cgi")
+
+MACRO(SET_IF_NOT_SET var val)
+  IF(NOT DEFINED "${var}")
+    SET("${var}" "${val}")
+  ENDIF(NOT DEFINED "${var}")
+ENDMACRO(SET_IF_NOT_SET)
+
+SET_IF_NOT_SET(CTEST_DROP_METHOD "http")
+IF(CTEST_DROP_METHOD STREQUAL "http")
+  SET (CTEST_DROP_SITE "public.kitware.com")
+  SET (CTEST_DROP_LOCATION "/cgi-bin/HTTPUploadDartFile.cgi")
+  SET (CTEST_TRIGGER_SITE "http://${CTEST_DROP_SITE}/cgi-bin/Submit-CMake-TestingResults.cgi")
+ENDIF(CTEST_DROP_METHOD STREQUAL "http")
+
+IF(CTEST_DROP_METHOD STREQUAL "xmlrpc")
+  SET (CTEST_DROP_SITE "http://www.na-mic.org:8081")
+  SET (CTEST_DROP_LOCATION "CMake")
+  SET (CTEST_TRIGGER_SITE "not used")
+  SET (COMPRESS_SUBMISSION ON)
+ENDIF(CTEST_DROP_METHOD STREQUAL "xmlrpc")