filter: don't forget to reap the auth filter

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
ui-shared: move about tab all the way to the left

There were no objections (at the time of committing this):
   http://lists.zx2c4.com/pipermail/cgit/2013-May/001393.html
   http://lists.zx2c4.com/pipermail/cgit/2014-January/001904.html

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>