Merge pull request #155 from Cal-CS-61A-Staff/hooks

update hooks to compile on commit
Revert "update hooks to compile on commit"
Merge pull request #156 from Cal-CS-61A-Staff/revert-155-hooks

Revert "update hooks to compile on commit"
Revert "Revert "update hooks to compile on commit""

This reverts commit ca7c9daaa22fbc55c513b6968dc248a82b8e2fa2.