docs(mirrors): Update comments about MirrorsUsed
feat(helloworld): MirrorsUsed
fix(generator): Avoid compile-time filter map querying when generating static parser.

This fixes https://github.com/angular/angular.dart/issues/432.

Also consistenly load libraries through the package root to avoid getting in
trouble if the same library is loaded through different URIs.
fix(expression_extractor): implemented support for wildcard attr selector

Fixes #447
fix(parser): Workaround dart2js bugs in latest version of Dart SDK 1.2.
chore(karma): clean up karma config file syntax.
chore(run-test.sh): analyze.sh is now located in "/scripts"
chore(scripts): In env.sh don't assume that ./dart-sdk exists
chore(karma): clean up karma-conf
feat(parser): Allow operator access to non-map objects

Closes #416