Needs some UI love on both selection & intimation, but works otherwise
People can pick from CC BY-SA, CC BY, or CC0. The commons templates
are set using {[self}}, which I think is good enough.
GitHub: https://github.com/wikimedia/apps-android-commons/pull/14
Change-Id: Iffca6f75c63de6fbe61c4dc41b93dd5f692065a5
Provides one naive modifier (which blindly adds categories).
Provides a sync service & a content provider. Insert appropriate
items into the content provider and wait for the sync to happen.
Sync currently likes to 'fail early' rather than recover.
Blank post upload activity also present, simply adds random category
to the page that was uploaded. Will need appropriate UI