chore(Http): remove deprecated getString method

Closes #199

Closes #930
fix(change-detection): correctly detect isMethod in StaticFieldGetterFactory
feat(formatter): Add arrayify formatter.

MapFormatter can be used with map and ng-repeat to display a list of key value pairs

Closes #394

Closes #931
chore: upgrade pubspec.lock
chore(element_binder): Refactor the component factory
fix(Change detection): _LinkList items extend _LinkedListItem

Closes #932
style(scope): change the name of an argument

Closes #933
refactor(dccd): Simplify both the interface and the implementation

#909 cont'd. This commit is for the map changes (909 is for collection).

Closes #935
fix(dccd): Fix _MapChangeRecord

A few changes were missed in #935
test(annotation_src): Verify clone does the right thing
feat(formatter): Add arrayify formatter.

MapFormatter can be used with map and ng-repeat to display a list of key value pairs

Closes #394

Closes #931
fix(NgControl): rename NgControl to FormControl
feat(NgMessage): introduce the NgMessage directive