Fix for error w/ QtCreator project builder

cmake_qtcreator_project.py now takes a '--build-dir' argument.

Since introduction of argparse, accessing last argv from project_info is no longer working.
Now require a call to project_info.init before use.

build_files/cmake/cmake_netbeans_project.py

@@ -29,6 +29,13 @@ Example linux usage
 Windows not supported so far
 """
 
+import sys
+
+# until we have arg parsing
+import project_info
+if not project_info.init(sys.argv[-1]):
+    sys.exit(1)
+
 from project_info import (
         SIMPLE_PROJECTFILE,
         SOURCE_DIR,