Updated the karma-requirejs version from 0.1.0 to 0.2.0

The generator is failing because karma requires requirejs 0.2.0, but 0.1.0 is specified

```
npm ERR! peerinvalid The package karma-requirejs does not satisfy its siblings' peerDependencies requirements!
npm ERR! peerinvalid Peer karma@0.10.10 wants karma-requirejs@~0.2.0
```