General cleanup

- Remove all submodules
- No more Makefile/MANIFEST
- New `setup.sh` that can both install and update, it detects what it should do
- Provide a `gitconfig-ct` that is pulled in by Boxen

Closes #22

Paired-with: Rob
Signed-off-by: Kevin
Merge branch 'master' of github.com:crowdtap/dotfiles

Conflicts:
	Makefile