Issue #130: Remove the toggles for main and secondary menus.
Issue #130: Remove the toggles for site name and site slogan.
Issue #130: Remove the toggle for User verification status.
Issue #130: Move setting for User pictures in comments into comment settings per node type.
Issue #130: Move setting for User pictures in posts into settings per node type.
Merge branch '130-remove-global-settings' of https://github.com/jenlampton/backdrop into jenlampton-130-remove-global-settings
Issue #130: Adding upgrade path for migrating theme settings.
Merge branch '1.x' of github.com:backdrop/backdrop into 1.x