Make images in gallery ordered

In 5.0 the images are not ordered, but chaotic.
They were ordered sometimes in 4.5
Remove apps/ infront of includes.

Basically just a common-sense/human-powered s/apps\///g

Should make multiapp-dir configs a bit easier.
Added 'Go to Today' button to datecontrol form.
Due Date visibility is added
Changed text.
Only load one album thumbnail at a time
Pictures: Allow exiting the slideshow using the back button
Pictures: Hide scrollbar during slideshow
Pictures: Make sure loading thumbnails doesn't block loading slideshow images
Pictures: Preload the next image in the slideshow
Merge pull request #911 from Kondou-ger/remove_apps_from_includes

Remove apps/ infront of includes.
Formatting Fixes
Music: Fix escaping in the ampache xml responses
fix syntax error introduced with pr apps#911
Music: a bit smarter mimetype usage in scanner
Merge pull request #929 from TharinduDG/tasks_due_date_fix

Due Date visibility is added
imprint: Fix rendering and layout of imprint:
- use corect template view
- load required styles
Merge pull request #955 from arkascha/master

imprint: Fix rendering and layout of imprint:
imprint: Prevent double declaration of OC5's p() functions in backwards compatibility fixes.
Merge pull request #956 from arkascha/master

imprint: Prevent double declaration of OC5's p() functions in backwards compatibility fixes.