added a note that python should be installed for all users (issue 355) and as an admin (issue 302)
added a note that python should be installed for all users (issue 355) and as an admin (issue 302)

ldtri0209/robotframework,ldtri0209/robotframework,waldenner/robotframework,waldenner/robotframework,waldenner/robotframework,ldtri0209/robotframework,fiuba08/robotframework,ldtri0209/robotframework,fiuba08/robotframework,ldtri0209/robotframework,fiuba08/robotframework,fiuba08/robotframework,waldenner/robotframework,fiuba08/robotframework,waldenner/robotframework