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: (186 commits)
  Clarified the meaning of git-add -u in the documentation
  git-clone.sh: properly configure remote even if remote's head is dangling
  git.el: Set process-environment instead of invoking env
  Documentation/git-stash: document options for git stash list
  send-email: squelch warning due to comparing undefined $_ to ""
  cvsexportcommit: be graceful when "cvs status" reorders the arguments
  Rename git-core rpm to just git and rename the meta-pacakge to git-all.
  Technical documentation of the run-command API.
  Correct git-pull documentation
  gitweb: Fix bug in href(..., -replay=>1) when using 'pathinfo' form
  push: document the status output
  Documentation/push: clarify matching refspec behavior
  push: indicate partialness of error message
  API documentation for remote.h
  Simplify setup of $GIT_DIR in git-sh-setup.sh
  peel_onion: handle NULL
  check return value from parse_commit() in various functions
  parse_commit: don't fail, if object is NULL
  revision.c: handle tag->tagged == NULL
  reachable.c::process_tree/blob: check for NULL
  ...