Strip URL fragments off of direct requests to uploadify SWF files.

Fixes #2068.
Follow-on: put at least one byte in the fragment so that it doesn't
get discarded by browsers.
Automated update of .build_number to 286 for branch 3.0.x
Last update: 30c3b5e317a11c04cfcbbd8a6bd2e16f2a8e25d9 (2 commits ago)
[ci skip]
Add the proper Gallery preamble.
Automated update of .build_number to 287 for branch 3.0.x
Last update: 86826e5117ac64ea2d46b8867bcd7be6c9789be9 (1 commits ago)
[ci skip]