Minor JS fixes
When checkbox list has more than 10 items, display it in a scrollable area
Establish the router earlier so we can create page URLs
Add new form behavior override: formCreateModelObject
Consider extensible classes (->methodExists()) when looking for dropdown options
Add 'manage partials' and fix my settings

Fixes #279.
Merge pull request #306 from Naxiz/fix-279

Add 'manage partials' and fix my settings
Ref #306 - mysettings should be unrestricted by permissions
Undo bad change
Update changelog