Added default images for HexaFramework
Added DoubleClickHandler on TreeTable
TreeTableEditorManeger now uses DoubleClick instead of simple click
GenericEditor : added option to hide the Validator
few adds
TableCellDoubleClickEvent
Pictures for default HexaFramework icons
TreeTable is now Focusable
Add ESCAPE key to TextEditor
Database : poor man's way of quoting sql parameters
cosmetics
fix Database bug with insert of type Date
added TypedConverter interface