Refs #14642 #14598 !strict. Added support for arrow shape button to be able to be used as a back button in Heading. Use the table tag to make the widget inline type. Added icon support.
Refs #14642 #14598 !strict. Added support for arrow shape button to be able to be used as a back button in Heading. Use the table tag to make the widget inline type. Added icon support.

git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@27600 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful