Notes on making a OLPC Sugar activity
cp -r /usr/share/activities/GroupChat.activity /usr/share/activities/HelloWorld.activity
cd /usr/share/activities/HelloWorld.activity
vi activity/activity.info
##### activity.info ######
[Activity]
name = HelloWorld
activity_version = 1
host_version = 1
icon = activity-chat
service_name = com.rancidbacon.HelloWorld
exec = sugar-activity-factory chatactivity.ChatActivity
show_launcher = 1
##########################
killall X # <-- This forces frame to rescan and find activity.
