chore(pubspec): set sdk requirement to 1.2.0+
chore(pubspec.lock): update pubspec.lock
refactor(parser): remove hacks and just use instanceMembers
test(compiler): Add a test for IGNORE_CHILDREN
fix(introspection): Export all symbols. And a test.
chore(introspection): Disable a failing test
feat(Animation): Animation for AngularDart.

Closes #635
fix(introspection): Better error messages and checked mode support
chore(introspection): Dead code removal
fix(doc-gen): add docviewer flags for generating the new angulardart docs

Conflicts:
	scripts/generate-documentation.sh
fix(doc-gen): remove image from README for compatibility with docviewer
fix(doc-gen): rename MODE_OPTION to DOC_OPTION