Add configurability of pre-commit checks.
Make git hook checks configurable.
Add option for running pre_commit without stashing for debugging.
Don't check deleted files.
Merge pull request #48 from pretenders/alex/azazo

Alex/azazo
Merge pull request #53 from pretenders/alex/precommitconfig

Alex/precommitconfig
Move coredata run to new runners package.
Add test outline for clone_repos.