Revert "Clone repository with specific branch"

This reverts commit 1793daa3794fca6685b5013f8060fd4cf3e9c639.
Fix branch checkouts on builds
Merge pull request #45 from claco/fix-branch-checkout

Revert previous change and fetch origin
Reduce ansible-playbook log verbosity
Merge pull request #46 from hughsaunders/master

Reduce ansible-playbook log verbosity