Merge branch 'maint'

* maint:
  Documentation: don't reference non-existent 'git-cvsapplycommit'
  user-manual: stop deprecating the manual
  user-manual: miscellaneous editing
  user-manual: fix .gitconfig editing examples
  user-manual: clean up fast-forward and dangling-objects sections
  user-manual: add section ID's
  user-manual: more discussion of detached heads, fix typos
  git-gui: Allow spaces in path to 'wish'
  gitk: Allow user to choose whether to see the diff, old file, or new file

diff --cc Documentation/git.txt
Simple merge

diff --cc git-gui/git-gui.sh
Simple merge