Merge branch 'rt/bfg-ad-in-filter-branch-doc'

* rt/bfg-ad-in-filter-branch-doc: docs: add filter-branch notes on The BFG

Junio C Hamano committed Jan 10, 2014 at 10:32 UTC 8a334727fc5b2ea0b173ca0af4cfb2209a88139a

No changes.