use version information from port Makefile

Index: rts/build/cmake/ConfigureVersion.cmake
--- rts/build/cmake/ConfigureVersion.cmake.orig
+++ rts/build/cmake/ConfigureVersion.cmake
@@ -25,7 +25,8 @@ include(UtilVersion)
 
 
 # Fetch through git or from the VERSION file
-fetch_spring_version(${SOURCE_ROOT} SPRING_ENGINE)
+#fetch_spring_version(${SOURCE_ROOT} SPRING_ENGINE)
+set(SPRING_ENGINE_VERSION "${V}")
 parse_spring_version(SPRING_VERSION_ENGINE "${SPRING_ENGINE_VERSION}")
 
 # We define these, so it may be used in the to-be-configured files
