WebAdmin / Genshi: ported [3772] and tab removal.
Tagging trac-0.10rc1
WebAdmin: Should fix up #3765
Added a couple of missing "tests"-directories to MANIFEST.in
add test for optional select custom fields (see r3762)
Fixed another broken unit-test.
Fixed unit-test.
Sync the `UPGRADE` file and the TracUpgrade wiki page.
Add note about changed argument list for `trac-admin initenv`.
Preparing for release