Merge branch 'maint'

Merge branch 'maint'

* maint:
  Small correction in reading of commit headers
  Documentation: fix typo in git-remote.txt
  Add test for blame corner cases.
  blame: -C -C -C
  blame: Notice a wholesale incorporation of an existing file.
  Fix --boundary output
  diff format documentation: describe raw combined diff format
  Mention version 1.5.1 in tutorial and user-manual
  Add --no-rebase option to git-svn dcommit
  Fix markup in git-svn man page