Expanding on the view source / remix UI.
You can now view source without remixing and typing into a view source editor brings up the Remix Mode and expands the column.

Also - hid the log.
Cleanup.
Updates to the remix UI
- Right column expands when 'view source' is triggered.
- Remix this component helper message visible within 'view source' tab
Remix header update
Copy update
Merging luke's changes