docs(README.md): fix typo for expresssssssssserver
chore(bin/protractor_dart): set vim filetype / emacs mode
upgrade to protractor 0.20.1 and many many changes.
wip: remove debugging code
determine baseUrl and Dartium path from the environment
additionalConfig misc revert
source-map-support version 0.2.6
accept optional done function for it/before/aftereach
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
require newer protractor-dev.  bump version and update readme.