Adding documentation for use as submodule
Initial stab at making this work as a submodule
Tested with a submodule and fixed a few problems
Need to go up a few directories first
Merge branch 'master' into submodule

Conflicts:
	util/bin/bare_repo_setup
	util/bin/build_tags
	util/bin/lint_check
	util/bin/pretty_print
	util/bin/setup_repository
	util/bin/test_bare_repo_setup
	util/git/pre-commit.d/70-pretty-print
Renaming bare_repo to git-started everywhere