Update Vagrant Manager to v2.1.1
Merge pull request #7204 from mikesplain/update_vagrant_manager

Update Vagrant Manager to v2.1.1
Upgrade Skitch to 2.7.6
Update Arduino URL
Merge pull request #7207 from crainiarc/skitch

Upgrade Skitch to 2.7.6
Merge pull request #7208 from guerrero/patch-1

Update Arduino URL