See Mayo theme - Moderately Critical - Cross Site Scripting (XSS) - SA-CONTRIB-2015-164
Removed admin settings for margins associated with logo, site name, and slogan to fix #2550593. Positioned with padding in styles.css
Issue #2509832 by Reg: Notice: Array to string conversion in mayo_get_plugins() (line 34 of .../mayo/inc/plugins.inc)
array_unique error corrected.
Improved styling for tabs.
Add feature to display breadcrumb Bartik style.
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