Collect division edit status into consitant notice

Moves 'last edited by' to the top of the motion with the 'Unedited text notice'
move motion edit link to the top
wrap notice in <p>
make header-actions css more modular
move edit link above notice
don't show edit link if unedited use longer prompt
remove help text link from motion edit

The help text is on the other side of the jump, and there's nothing in the faq for this anyway.
complete tests for previous commit
add grid structure to motion notice
move MP division vote into votes section
make edit button 'edit motion'
Add heading below notice with edit attactched
add button styles to motion edit
refactor notice to make dryer
move unedited notice to beneith heading
Remove extra whitespace
Remove newlines to make it clearer what's happening here
Remove interpoliation here to make it clearer to read
Don't mark HTML safe in the view - this should happen in the helper
Remove whitespace to make it clearer where this sits