Merge branch 'v2.1' into 'deployment/v2.1'
Bumps version to v2.1.3
Merge branch 'v2.1' into 'deployment/v2.1'
Bumps version to v2.1.4
Adds a 64bit machine to the Vagrantfile
Merge branch 'deployment/v2.1' into 'master'
Passes xdg-mime vt from tests instead of examples

The examples directory might not be available.
Merge branch 'v2.1' into 'deployment/v2.1'
Merge branch 'deployment/v2.1' into 'master'
ENH: Updated create_group to return the created group
Merge remote-tracking branch 'vistrails/master'