[Merge] lp:~canonical-platform-qa/gallery-app/fix1376423-no_backup into lp:gallery-app

[Leo Arias]

In order to remove the backups, we need to stop deleting the real folders.
In order to stop deleting the real folders, we need a better hierarchy of test cases and a fixture to launch the app.
I will start with the fixture.
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https://code.launchpad.net/~canonical-platform-qa/gallery-app/fix1376423-no_backup/+merge/238348
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~canonical-platform-qa/gallery-app/fix1376423-no_backup into lp:gallery-app.