added upgrade instructions
added upgrade instructions

codydaig/guvnor,rubenabix/guvnor,codydaig/guvnor,tableflip/guvnor,tableflip/guvnor,rubenabix/guvnor,tableflip/guvnor,codydaig/guvnor,rubenabix/guvnor,rubenabix/guvnor,tableflip/guvnor