[Merge] lp:~tiagosh/messaging-app/state-saver2 into lp:messaging-app

[Bill Filler]

verified the comments addressed above are fixed
New problem
1) create a new message, type in recipient and message but don't send
2) kill the app via kill -2 
3) open camera-app and share a photo

Expected results:
- messaging app is opened with attachement showing and blank recip field

Actual results:
- I previous page from the state saver is restored (from step 1 and 2)
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https://code.launchpad.net/~tiagosh/messaging-app/state-saver2/+merge/250996
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