Rethink ng-annotate strategy

[charwking]

To date, this repo has relied on ng-annotate to magically find all the right spots to annotate, without issue. However, ng-annotate seems to have some issues components. ng-annotate actually appears to be nearing deprecation, according to this issue

A decision needs to be made about where to go from here.

[charwking]

I've decided to use ng-strict-di directive as suggested in the ng-annotate documentation and get /* @ngInject */ comments on all appropriate functions.