(fix) remove extra e in value JS spec
(feat) add support for Angular 1.3

ng-poly:app asks to use 1.2.* or 1.3.*.
(docs) update ng-poly:app questions
(feat) add support for angular-messages

If the user selects Angular 1.3.*, ng-poly:app will then add
angular-messages to the available bower packages to choose from.
(feat) set polymer install question default to no
(chore) bump version to 0.4.10