Breaking API Changes

• MyMessages renamed to XMessages.
• Added LoadConfig interface, ListLoadConfig now extends LoadConfig. With this change, and properties of the load config object will be passed as request parameters when using a HttpProxy or ScriptTagProxy.
• Removed AppEvent type parameters, added unkeyed getData and setData.
• Removed LoadEvent type parameters, add getData and setData methods.
• Removed parent generic from TreeModel.
• All public event fields replaced with getters / setters.
• BaseEvent doit field replaced with setCancelled and isCancelled methods.
• Replaced int based event types with EventType class.
• Removed setDecimalSeparator / getDecimalSeparator from NumberField.
• XDOM moved from com.extjs.gxt.ui.client to com.extjs.gxt.ui.client.core.
• Events and KeyboardEvents moved from from com.extjs.gxt.ui.client to from com.extjs.gxt.ui.client.event.
• All public fields is Resizable converted to getters and setters.
• ext-all.css renamed to gxt-all.css. Both images and css folder moved into new gxt folder.
• Ext GWT CSS and images are no longer on the classpath. See the resources folder in the GXT distribution.
• Themes not require the full url for the theme file.
• Removed TextToolItem, buttons can be added directly to toolbars.
• PagingToolBar moved to toolbar package.
• PagingToolBar is now a ToolBar, rather than wrapping one.
• ButtonBar is now a ToolBar
• ContentPanel (Windows, Dialog) now uses a ToolBar for its buttons. New ToolBar looks and behaves like a button bar.
• Controller forwardToView methods changed from static to instance methods.
• keepSelected boolean added to selection methods in selection models.
• XmlReader changed to return any data type.
• Added XmlLoadResultReader which returns ListLoadResult instances.
• JsonReader changed to return any data type.
• Added JsonLoadResultReader which returns ListLoadResult instances.
• Removed JsonTreeReader.
• Removed public field XDOM.isVisibleBox - use GXT.isBorderBox instead
• Added 2 new methods to Observable interface (hasListeners).
• Added type generic to SummaryType
• SummaryRender render method first argument changed from Double to Number
• FormPanel List<Field<Object>> getFields() change to List<Field<?>> getFields()
• MultiField class generics changed to "public class MultiField<D> extends Field<D>".
• GridCellRenderer return type changed to Object from String. Now allows widgets to be returned.
• Added Grid parameter to GridCellRenderer render function.
• Table Resize event width field changed to tableWidth.
• Window closing and CloseMode removed. Windows can now only be hidden and shown. Windows do not fire Events.Close, must use Events.Hide.
• Shadow class deleted. Shadow functionality built into Layer.
• StateManager data format changed to Json, which now supports nested data structures such as List and Maps.
• HtmlContainer made public properties requestData, deferDownload, and httpMethod to getters / setters