Core: Add specialchars function (just to make cleaning functions in plugins a bit tidier)
Sitemap: Add title to link for a bit more Google juice
External - HKTree: Add class property for styling by class rather than inline
External: Fix Markitup css image links
Update functions to use Jojo::htmlspecialchars
Core: Set getNav argument defaults
Core: Add option to disable 'initial-scale=1' in the viewport declaration
Core: Add a content pseudo-filter for subpages
Contact: Add option for displaying multiple desitinations as a multiple select
Merge branch 'master' into edge