Extended model by font face and color properties.
Added text XYPosition enabled persistence via JsonModel.
Only write Font and position data if supplied.
Exporting font face, color and position for overlay text
Added method to read configuration file.
Read and evaluate configuration file next to image.
Call AJAX fetch of methods using simpleTaskManager
Dynamically show and hide text editor if config is there or not.
Remove image text when there is no text configuration.
Changed tests to fit new behavior when changing backgrounds.
Auto cleanup tests