update(animation_spec): rename enableAnimations to allowAnimations
use multiple browsers
update(package.json): require protractor-dev and update some other metadata
change author to allow me to "npm publish"
update(pubspec.yaml): add homepage field
update(pubspec.yaml): rename ProtractorDart to protractor

The pub tool discouraged camel cased package names.
fix extra parens in protractor_api.dart
bump versions