fix(copy): Vendor CSS was ignored during copy

Closes #305, #275.
fix(compile): replace ngmin with ng-annotate

- ngmin is deprecated
- ngmin doesn't annotate dependencies in resolves on a ui-router
state and ng-annotate does.
- ng-annotate is faster and more robust.
docs(readme): add a note about PR style rules
fix(about): Corrected typo in Yeoman link