Merge commit 'gsoc2008/gitweb-caching/master' into gitweb/test

Merge commit 'gsoc2008/gitweb-caching/master' into gitweb/test

* commit 'gsoc2008/gitweb-caching/master': (25 commits)
  Work-in-progress: Creating new Git::Repo API.
  gitweb: removed unused parse_ref method
  test suite for Git.pm
  t/test-lib.sh: add test_external and test_external_without_stderr
  gitweb smoke-test.pl: do not rmtree wget's output directory
  gitweb: new smoke test
  fast-export: Correctly generate initial commits with no parents
  t/.gitattributes: only ignore whitespace errors in test files
  document --pretty=tformat: option
  Improve sed portability
  user-manual: describe how higher stages are set during a merge
  doc: adding gitman.info and *.texi to .gitignore
  Documentation: exclude @pxref{[REMOTES]} from texinfo intermediate output
  Documentation/git-pull.txt: Use more standard [NOTE] markup
  "remote prune": be quiet when there is nothing to prune
  Typo in RelNotes.
  fix typo in tutorial
  remote show: list tracked remote branches with -n
  remote prune: print the list of pruned branches
  builtin-remote: split show_or_prune() in two separate functions
  ...

Conflicts (resolved to gsoc3008/gitweb/caching version):

	perl/Git/Repo.pm
	t/t9700/test.pl
	t/t9710-perl-git-repo.sh
	t/t9710/test.pl
	t/test-lib.sh