Add style checking git hooks.

And evil automated setup.
Add the rubocop gem.

Forgot to add it in the last commit.
Place the pre-commit hooks in a more appropriate place and make use of bundler.

More portable now (ie, works on windows....)
Update the pre-commit gem.

Fixed a minor bug with windows.
Update the pre-commit gem, again.

Fixed a bunch more problems.
Update the pre-commit gem, again, again.

Take a guess?
Merge pull request #108 from DevYah/C1_mnzaki_commit_hooks

Add style checking git hooks.