Merge branch 'master' into next

* master:
  Merge branches 'jc/rev-list' and 'jc/pack-thin'
  gitview: Code cleanup
  Add missing programs to ignore list
  git ls files recursively show ignored files
  Build and install git-mailinfo.
  gitview: Bump the rev
  gitview: Fix DeprecationWarning

diff --cc Makefile
Simple merge