Updated web interface to include v5 checks
Updated web interface to include v5 checks

refs https://github.com/TryGhost/Toolbox/issues/240
refs https://github.com/TryGhost/gscan/pull/251/commits/34ccb27b3aac8ca17cec972a26470c9a10e26f0f

- Makes sure the web UI is checks against canary/v5 by default

TryGhost/gscan