fix(ngInit): evaluate ngInit before ngInclude

The priority of ngInit is adjusted to occur before ngInclude, and after
ngController. This enables ngInit to initiallize values in a controller's
scope, and also to initiallize values before ngInclude executes.

Closes #5167
Closes #5208
Merge branch 'master' of https://github.com/angular/angular.js
componentizd!