Backport $.addBack to alias $.andSelf.
Concentrate execCommand constants.
editor.link and editor.insertImage
Link and image dialogs use editor.link and editor.insertImage
Allow images in the body.
testWym general testing utility.
New image tests.
New link tests.
Fix: image tests were not really added to test suite.
Fix: link tests were not really added to test suite.
All browsers are now double_br_browsers.