Add --pro and --route opts to component generators

[job13er]

This project uses semver, please check the scope of this pr:

• [ ] #none# - documentation fixes and/or test additions
• [ ] #patch# - backwards-compatible bug fix
• [x] #minor# - adding functionality in a backwards-compatible manner
• [ ] #major# - incompatible API change

CHANGELOG

• Added --pro option to ember g component blueprint, which skips the explanatory comments and sample computed property
• Added --route option to ember g component and ember g component-test which will generate a component nested under a route (for use with ember-local-resolver).

[sglanzer-deprecated]

Approved - Whoo, cool stuff!