Updates dependencies and does general cleanup
Brings preboot back
Removes gzip from being a global in the gulpfile
Implements publication of wraith screenshots
Fix wraith command and move to after deployment
Adds wraith's snap.js and activates shots publication
Publish wraith shots only if deploying staging
Adds wraith's screenshots URL to the README
Disable Android and iOS tests
Merge pull request #50 from javiercejudo/release-1.2.5

Release 1.2.5