[events-calendar] Fix anchor issues

Prevent jQuery Mobile from hijacking the event anchors
Merge pull request #2815 from berubs/events-cal-anchors

[events-calendar] Fix anchor issues
Small/medium view about menu: Fixed rendering of site menu footer link with no sub-links.
Merge pull request #2819 from pjackson28/mobileaboutfooterfix

Small/medium view about menu: Fixed rendering of site menu footer link with no sub-links (#2809)
[Events Calendar] Ajax-events support