 * Fixed a plethora of layout bugs
 * Implemented RGBColor trait
 * Fixed events not fired for 'custom' TextEditor
 * Improved the method by which the QT backend dispatches trait handlers when dispatch='ui'.
   Before, the code only worked when on the main application thread or a QThread. Now it
   works for regular Python threads too
 * Fixed events not being fired correctly in TableEditor
 * Added support or 'click' and 'dclick' factory attributes to the TableEditor
 * TableEditor instances now editable
 * Improved FileEditor to look and act like the WX editor
 * Fixed missing minimize/maximize buttons for resizable dialogs
 * New HTMLEditor using QtWebKit
 * New TabularEditor
 * Added support for panel buttons
 * New SearchEditor
 * Added support for clipboard
 * Now responds to SIGINT correctly rather than raising KeyboardInterrupt
