* master: (32 commits)
fix lint
update dependencies
Revert "Merge branch 'pr/526'"
Revert "Merge branch 'pr/527'"
changed alpha build configuration
add window global, stub require and handle bad values in test tools
added overlap metric to test tools
fix path to build in test worker
implemented threaded comparison testing
fixed plugins in compare
Added build comparison tools and tests
Added config and test files to lint
Set loose build version on dev server
Added watch content base to dev server
added timing to engine snapshot
updated readme
added tag push to release task
updated readme
removed yuidocjs dev dependency
removed unused gulp release tasks
...
# Conflicts:
# src/collision/Resolver.js
# src/core/Engine.js
