fix gmcat. It should not fail when the working directory (or manually...

 fix gmcat.  It should not fail when the working directory (or manually specified directory) is not git managed. It should just skip the recording of tag information in that case

GeoModelTools/GMCAT/src/publishMetaData.cpp

@@ -120,8 +120,7 @@ void publishMetaData( GMDBManager & db,
     }
   }
   else {
-    std::cerr << std::endl << "ERROR: provided directory " << repoPath << " is NOT inside a local git reporistory!" << std::endl;
-    throw std::runtime_error("Metadata not written!");
+    std::cerr << std::endl << "WARNING: no information on User repository will be written to metadata. " << std::endl;
   }
 
   //