Implement ability to add contact to a pipeline from the contact index page

Built out view and routes

Implement ability to add contact to a pipeline from the contact index page

Add pipeline data to contact retrieval txs

Put pipeline list logic into new service, add pipeline labels to contacts template

Finish Angular frontend

Create destroy action in contacts controller to remove pipeline from contact

Add strong params for destroy action

Split contacts_controller into new control pipeline_contacts_controller, decouple specs, test

Add To Pipeline now persists contact's new pipeline in db

Refactoried txs, added comments

Finish Angular frontend

Create destroy action in contacts controller to remove pipeline from contact

Add strong params for destroy action

Add To Pipeline now persists contact's new pipeline in db

Fix route issue
Remove console.logs, added comments to contact_ngcontroller
Remove comments from AddContactToPipeline txs