v1.6.6

• Condense item links.
• Move wrapper to include skipnav and Omeka user bar.
• Remove aria-live from featured slider.
• Condense single record markup.
• Provide blank alt attributes for image thumbnails.
• Fix item show gallery top margin to avoid colliding with header without admin bar present.
• Fix width of non-gallery item show nav.
• Fix item view where footer floated in the middle of content on mobile.
• Update mmenu.js library and add aria-expanded states.
• Improve aria labels for main content areas.
• Make sure collection show view uses collection title for page title.
• Make sort link alignment consistent on collection item display.
• Enable close menu button in main navigation.
• Refine mobile subnav styles.