beginnings of a firefox accounts system application
test application stub for firefox accounts
sketch up inter application communication - fixes #1, issue #2
details
code cleanup, change minimumAccessLevel to certified for the calling app (she only wants to talk to the system)
test app must be a certified app to use inter-app comm, s/setMessageHandler/mozSetMessageHandler/
debug logging
remove unsupported properties from fxa manifest.webapp
iteration on fxa & test app