Merge pull request #60 from DrMarcII/master

Significant cleanup and improvements to tabs and browser_action
Merge pull request #61 from DrMarcII/master

Improvements to chrome.windows APIs and tests
Merge pull request #62 from DrMarcII/master

chrome.contextMenus cleanup and tests
Merge pull request #63 from DrMarcII/master

Minor cleanup of extension API files.
Merge pull request #64 from DrMarcII/master

Fixes to (primarily) runtime.dart.
Remove old or outdated js files that get copied from the packages folder
Adding chained tasks broken out
Ignoring static js files
Merge branch 'master' of https://github.com/dart-gde/chrome.dart

Conflicts:
	test/interop.js
	tool/hop_runner.dart
Remove const from context_menus.dart.