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

Merge pull request #847 from CDLUC3/css_refinements ...

CSS Refinements (#746)