[Merge] lp:~artmello/gallery-app/gallery-app-fix_1569844 into lp:gallery-app

[Arthur Mello]

Arthur Mello has proposed merging lp:~artmello/gallery-app/gallery-app-fix_1569844 into lp:gallery-app with lp:~artmello/gallery-app/gallery-app-qml_content_hub as a prerequisite.

Commit message:
Wait gallery ends collection processing before loading events model on picker mode

Requested reviews:
  Ubuntu Phablet Team (phablet-team)
Related bugs:
  Bug #1569844 in Canonical System Image: "gallery does not update images when invoked by content hub"
  https://bugs.launchpad.net/canonical-devices-system-image/+bug/1569844

For more details, see:
https://code.launchpad.net/~artmello/gallery-app/gallery-app-fix_1569844/+merge/292506

Wait gallery ends collection processing before loading events model on picker mode
-- 
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~artmello/gallery-app/gallery-app-fix_1569844 into lp:gallery-app.
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