Refactor: Check for git repos before checking for Subversion repos

Obviously we work with git repos 99% of the time.  Checking for a Subversion
repo first is really just a waste.

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Actions:
  * Closes #32
Branch:        refactor/make-git-repos-the-priority
Signed-off-by: Jeff Felchner <accounts+git@thekompanee.com>
Refactor: Check for git repos before checking for Subversion repos

Obviously we work with git repos 99% of the time.  Checking for a Subversion
repo first is really just a waste.

--------------------------------------------------------------------------------
Actions:
  * Closes #32
Branch:        refactor/make-git-repos-the-priority
Signed-off-by: Jeff Felchner <accounts+git@thekompanee.com>
Merge branch 'refactor/make-git-repos-the-priority-closes-32'