updated deleted files info

refactor the media manager integration

refactored action components

more strict separation of modes

more refactoring for mediafile diagrams

Editing of embedded diagrams works now

Embedded diagrams can be added and edited directly in the editor or
edited when viewing a page

Editing embedded diagrams now works

more checks on the embedded SVG

we only want to work with diagrams.net created SVGs

first round trip editing for mediafiles works with new class

sanitize inlined SVGs

add configuration option to enable/disable embed mode

Add ajax backends for loading/saving embedded SVGs

This also renames the syntax classes to be easier to distinguish

more work on the new DiagramsEditor class

Loading now waits for the init message. Things like reloading the
mediaManager can now be done in the postSaveCallback

first go at refactoring the diagrams editor into a class

added inline display mechanism

move media manager scripts to its own file

Version upped

Handle links in complex diagrams

Some links are contained in divs with pointer-events="none", which makes
them unclickable. This explicitly allows all pointer events for links in
SVG diagrams.

translation update

translation update

Version upped

Skip diagrams check for nonexisting images

Version upped

Adjust CSP to allow links

Fixes #5 and #15

Version upped

Modify CSP directives only for diagrams