3. Create folder modules at location: /home/USER/maya/2013-x64/modules/ on Linux or C:/Users/USER/Documents/maya/2013-x64/modules/ on Windows
and copy mgNodes.mod file to modules folder.
4. Modify mgNodes.mod file, set appropriate platform, path to plugin and update environment variable:
5. Copy shelf_mgNodes.mel to shelves folder: /home/USER/maya/2013-x64/prefs/shelves/ on Linux or C:/Users/USER/Documents/maya/2013-x64/prefs/shelves/ on Windows