docs(error/transclude/orphan): fix spelling mistakes

Closes #5259
docs(ng.$rootScope.Scope): fix API links

Also added a note to the Writing AngularJS Documentation:
https://github.com/angular/angular.js/wiki/Writing-AngularJS-Documentation/d0c715ef89

Closes #5261
docs(tutorial/step-07): update path to pages in e2e scenarios

The url paths in the tutorial are not in line with the actual tutorial code

Closes #5264
docs(guide/expression): remove misplaced comma

Closes #5280
docs(ngSwitch): clarify that ngSwitch matches against string literals

Closes #5285