Org Admin provide feedback ...

Add Plans page to Org Admin section

added org admin plans page

finsihed up org admin plans page

added feedback complete and updated emails to use email_signature partial

refactored access checks on Plan now that user can have multiple roles (reviewer + ?)

finished feedback completion routine

added tests for new feedback methods

fixes for merge conflicts

fixed issues with plan and user changes

fixed issue with notes controller test

fixed issue with phase controller test

Fixes for emails ...

added check to use the default contact_us_url if none defined in branding.yml

added raw to feedback emails

updated comment emailer to allow contact_us_url default

new comment mail for when a new comment is added to an answer. DMPRoadmap/roadmap#733 ...

Added missing end tags removed when merging conflicts. DMPRoadmap/roadmap#733