Issue #209: Rename Modules navigation link to Functionality.
Issue #209: Reorder administration menu defaults and expand top-level descriptions.
Issue #209: Content becomes Find content & User list becomes Find user accounts.
Issue #1798880 by andyceo, LinL, mtunay: Convert teaser_length() to use configuration system.
Merge pull request #372 from jenlampton/jenlampton-quicksketch-209-modules-functionality

Issue #209: Rename toolbar menu items to make more sense with Admin Menu hierarchies.
Merge pull request #360 from hellomrcat/170-coll

Issue #1798880 by andyceo, LinL, mtunay: Convert teaser_length() to use configuration system.
Issue #221 by agreazel: Use Backdrop branding for the installer.