Fix gist loading
Add Casement configuration for minimum width
Got minimization working, but needs a lot of refinement
Refactor minimization classes
Big refactor of Casement, make minimize and expand work
Recursively minimize panels when minimizing panels

If, on minimize, the previous panel was minimized already, re-minimize it.
Disable panel toggles
Refactor site header markup and Sass
Remove unused Sass modules
Refactor .panel_toggle class and extension list markup
Add styling for disabled panel buttons
Toggle CSS panel