Fixed wrong edit_page URL after update file name
Replace underscores with hyphens for better SEO
Small fix on visit page link after url update
Added the ability to edit the meta description tags
Prevent >160 description length with js, also improve filename correction
Javascript coding standards fixies
Attempt to fix headers already sent
Fixed form print when page not found
Replaced header with js redirect on edit_page
Merge branch 'magkopian-dev' into dev