Install and set up Jasmine

Extracted a separate PR to track the set up behind testing with Jasmine and angular. It was cluttering up the original PR https://github.com/dgalarza/CSS3Factory/pull/2 which should be focused on the tests themselves.

CC @acostanzo

* Jasmine set up handled via [middleman-jasmine](https://github.com/mrship/middleman-jasmine)
* [angular-mocks](https://github.com/angular/bower-angular-mocks)
* [jasmine-jquery](https://github.com/velesin/jasmine-jquery)