Hide content block when not changed
UI to handle rollbacks
Code formatting
Basic reverting of a post

Plus UI for deleting
Add JS confirmation for revert/delete
Cleaner styles for revision list

Move CSS to separate file, inject directly into page
Add option for revert/delete permission, handle in admin
Set user correctly when reverting edits
Update database with unique ID for revisions
Update readme and version
Fix check for 'content unchanged'
Check userid in ninja edits