Update section

Changelog

1. Fixed 2 small bugs on activity page
2. Fixed problem with overlay menu on mobiles/tablets
3. Fixed problem with the main-menu on IE9
4. Fixed issue with BuddyPress notification table on mobile devices
5. Fixed problem for the non-displaying SEO metatags on pages
6. Fixed issue with GK NSP images in Child theme
7. Fixed problem with homepage description title
8. Fixed problem with template settings import/export function
9. Changed icons from backend template options
10. Added small improvement in Open Graph function
11. Small backend improvements