Physics.activity/Activity+Menus

• OLPCGames#Customizing_the_Toolbar
• We are working on a Template.activity that is a barebones python OLPCGames activity.
• radiotoolbutton
• http://dev.laptop.org/git?p=activities/model;a=blob;f=activity/model_app.py;h=85b4d16c926cce6ccb1d48fe87fed3342f9e7831;hb=c5a9758b90a66cd8999fa1df35b1eb0c3f76c3b2