* update 'tinymce' from v4 to v6
* add/remove plugin & file changes
* remove unsupported plugins
* update changes to tinymce api
* bump tinymce to 6.2.0
* reinstate fastdev task
* update rte prevalues
* fix styling of tinymce inline mode
* document new files
* update builtin allowed elements, plugins and styles
* update upload_image_handler to new format
* set correct startup plugins and config
* remove old config for "Paste from Word" which is no longer supported
* update naming in default toolbar
* replace fire() with dispatch()
* support resizing of other elements besides objects, e.g. tables
* replace fire() with dispatch()
* change classes for fullscreen styling
* handle special parsing of AngularJS json response
* remove deprecated tinymce options
* use EditorOptions API to get settings
* send in correct toolbar config
* update icons to use tinymce's new icon pack
* remove unused functions
* configure custom styles
* update docs
* add initial toolbars to grid rte
* change htmlId selector to support html id's with numbers
* remove pintoolbar as it is not compatible with tiny 6
* register custom option maxImageSize through the OptionsManager
* remove custom option
* Revert "register custom option maxImageSize through the OptionsManager"
This reverts commit 342354d6cdacea67349d9d6d97b944999f8cd136.
* register custom option maxImageSize and fetch through EditorOptions
* add rounding to forced image size
* remove fullscreen plugin as it is not available in prod build anyway and it does not work
* update API for uploadImages() function
* update string extensions IsFullPath to support more filepaths with new built-in Path.IsPathFullyQualified
* resolve TODO to switch to Path.IsPathFullyQualified supported from .NET Standard 2.1
* ensure that files are copied from the TEMP folder in the web root
* add dragstart event to drag-events series
* optimise isMediaPickerEnabled function with newer array function 'includes'
* add TEMP folder to gitignore (fx fileuploads)
* update selector for "Insert Macro" button in rte test
* remove old documentation
* Use content root instead of web root for uploaded images
* test IsFullPath without tricky UNC paths that are not useful
Co-authored-by: Bjarke Berg <mail@bergmania.dk>