#109 Added submenu pages; TODO: functions called are not correct
#109 Updated changelog
#109 Fixed German translations of page titles
merged #109 with master
#109 added submenu pages; improved menu rendering
Merge pull request #124 from laterpay/feature/109_add_submenu_pages

Feature/109 add submenu pages
Merge branch 'refs/heads/master' into feature/121_premium_downloads_shortcode