Issue #217: Convert contact module variables to cmi
Issue #217: Added form submission handler to save contact_default_status
Merge pull request #201 from behindthepage/convert-contact-module-variables-to-cmi

Issue #217: Convert contact module variables to cmi.
Issue #189: Porting Admin Menu to Backdrop. Removing Toolbar.
Issue #189: Include top-level tabs as children in admin menu.
Issue #217: Convert contact module variables to cmi
Merging with 1.x
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