Merge branch 'master' of git://git.kernel.org/pub/scm/git/git

Merge branch 'master' of git://git./git/git

* 'master' of git://git.kernel.org/pub/scm/git/git: (75 commits)
  read_index(): fix reading extension size on BE 64-bit archs
  Makefile: FreeBSD (both 7 and 8) needs OLD_ICONV
  Start 1.6.6.X maintenance track
  Add git-http-backend to command-list.
  Kick off 1.7.0 cycle
  t4019 "grep" portability fix
  t1200: work around a bug in some implementations of "find"
  Git 1.6.6
  git svn: add test for a git svn gc followed by a git svn mkdirs
  git svn: branch/tag commands detect username in URLs
  git svn: lookup new parents correctly from svn:mergeinfo
  Prevent git blame from segfaulting on a missing author name
  git-svn: Remove obsolete MAXPARENT check
  git-svn: detect cherry-picks correctly.
  git-svn: exclude already merged tips using one rev-list call
  git-svn: fix some mistakes with interpreting SVN mergeinfo commit ranges
  git-svn: memoize conversion of SVN merge ticket info to git commit ranges
  git-svn: expand the svn mergeinfo test suite, highlighting some failures
  update release notes for git svn in 1.6.6
  git svn: fix --revision when fetching deleted paths
  ...