This is a big change, but should change nothing except the sizes of some
files and where they all are.
There are no more ext.multimediaViewer strings ANYWHERE, so let's keep
it that way. :)
Change-Id: Ic0892f5894700938bfa01f3f9bc8e5ab8276eb72
The foreign repo link in the details area will display the favicon
of the foreign repo when available.
Change-Id: Id946a80beeabcd526f16872efaedbdd291444d2d
Mingle: Multimedia card #107
Image information and repo information are now both stored somewhere
else entirely, so we don't need to keep accessing weird API return
values to sort things out. fetchImageInfo now uses those classes to
an extent, and we now cache thumbnail URLs for different sizes.
Change-Id: Ife8293c86683ea914b1a5a60000584b501d92e55