Unpack the zipfile for upstream so that we have a more granular
history of what changes upstream.
Updated to 2601db5ebeeaa96b3fa1f1015c494433cbcd9a85
Switch to using git to download the files
Updated for 2.12.0 and to use git for upstream
Updated to 2.12.0 (2601db5ebeeaa96b3fa1f1015c494433cbcd9a85)
Merge branch 'master' of github.com:gallery/gallery3-vendor