Create a new WYSIWYG editor based on GWT

Implement a new WYSIWYG (What You See Is What You Get) editor based on GWT (Google Web Toolkit)

The following issues related to the old WYSIWYG editor should be addressed in the new version:

• XWIKI-1010
  • 20080929 update: Works - There's a test in the rendering for this. New title character is "="
• XWIKI-1033
  • 20080929: No insert attachment feature yet
• XWIKI-1153
• XWIKI-1154
• XWIKI-1160
• XWIKI-1170
• XWIKI-1171
• XWIKI-1185
• XWIKI-1212
• XWIKI-1213
• XWIKI-1226
• XWIKI-1236
• XWIKI-1382
• XWIKI-1399
• XWIKI-1401
• XWIKI-1402
• XWIKI-1404
• XWIKI-1501
• XWIKI-1610
• XWIKI-1579
• XWIKI-1580
• XWIKI-1817
• XWIKI-1818
• XWIKI-1998
• XWIKI-1997
• XWIKI-2158
• XWIKI-1588
• XWIKI-1589
• XWIKI-1590
• XWIKI-1598
• XWIKI-1599
• XWIKI-1600
• XWIKI-1607
• XWIKI-1615
• XWIKI-1634
• XWIKI-1711
• XWIKI-2162 (Added 20080702)

Other things to implement/check:

• XWIKI-1174: We shouldn't allow styling section titles

Related information (a bit outdated though) can be found at:

• http://dev.xwiki.org/xwiki/bin/view/Design/GWT+Wysiwyg+Editor+Task+List
• http://dev.xwiki.org/xwiki/bin/view/Design/NewWysiwygEditorBasedOnGwt