fix(forms): ensure fields, fieldsets & forms are marked as dirty when modified
chore(pubspec.lock): upgraded route_hierarchical to 0.4.12
fix(MetadataExtractor): ignore typedefs

Fixes #524
fix(scope): use correct filters when digesting scope tree
feat(routing): new DSL and deferred module loading

Introduced new routing DSL that allows adding new modules for views.
Modules can be loaded synchronously or asynchronously, for example in case of deferred library loading.
docs(contributing): add code of conduct
chore(release): 0.9.7
chore(release): 0.9.7 name
docs(directive): fix a typo
text(io): make cssUrl a const
refactor(forms): place all shared logic of forms and models into NgControl
fix(ngShow): Add/remove ng-hide class instead of ng-show class

Closes #521
chore(style): code cleanup

fix CS only specify types where strictly necessary
to ease readability.

Closes #522
chore(style): code cleanup
refactor(http): remove a now useless workaround

dartbug.com/13051 has been fixed.
see https://code.google.com/p/dart/issues/detail?id=13051 for details.

Closes #523
Updating analyzer version to 0.11

Updated analyzer has a number of convenience methods that make it easier with code gen. No code changes needed.

Closes #526
feat(ngModel): Treat the values of number and range inputs as numbers

Add a InputNumberLikeDirective that binds the model as a numeric
value, so that it can be bound to num types on scopes. Select the
directive for number and range input types.

Closes #527