Update help and usage messages.
Allow searching for recipes by name even if the name has '.recipe' at the end.
auto: support a 'GIT_PATH' preference or auto-locate a git binary from PATH

- find a git binary in this order:
  1. value of 'GIT_PATH' in defaults
  2. first valid 'git' binary in the PATH environ
  3. /usr/bin/git
Remove unused makecatalogs function. Handle attempted updates to recipe repos that aren't actually git repos.
Change  to  so we can add more things to do with recipe repos
Remove auto recipe-repo, replace with repo-add, repo-delete and repo-list
Store some metadata about recipe repos in our preferences file. Implement .
Implement auto repo-delete.
./auto repo-add can now add multiple repos; better behavior when removing multiple repos
Add auto repo-update. Refactor lots of stuff around repo management to minimize code duplication.
Remove old Notes.txt (notes were five months old and no longer relevent)
Minor change to repo-update help text.
auto help now prints subcommands in alpha order
Pylint cleanups; remove more recipe 'kind' logic.
Merge pull request #14 from Jaharmi/master

Force created disk images to use zlib compression level 9
DmgCreator: set zlib-level to 5 for saner compress times.
Not finding a recipe for make-override should use recipe_name
Versioner can now read plists from diskimages, mounting as needed.
Merge branch 'master' of https://github.com/autopkg/autopkg
Fix doc string for PkgPayloadUnpacker