Update section

Changelog

1. Upgrade Joomla 3.8, K2 and fix bugs
2. Missing image gallery on new show pro gk5 module
3. Submenu should be highlighted when it's actived
4. Article title on search result page displays error
5. Got warning error on archived article page
6. Search module displays error when edit an article on the frontend
7. Cant load module edit page on the frontend
8. Menu displays error on edit use profile page
9. Got some error on user profile page
10. Missing edit and print icons on the detail article page
11. Got css error on email popup
12. Got css error on contact page when enable recaptcha plg
13. Got 404 on k2 tag page, k2 user page
14. Tooltip displays error when hover
15. Cant hide contact information on contact page
16. Missing print icon print preview page
17. Got error on list of all tags page
18. Realign featured tag on k2 article page
19. Missing print button on print preview page
20. Cant show submenu on edit user profile page
21. Got error on news feed page