Remove useless log.
Fix bug: display attributes instead of inheritences.
Method changeType() of MenuBean don't use tree of GenericTreeBean anymore.
Move UIMenuGroup from bean MenuBean to GenericBean.
Rename class GuiTreeNode to GuiGenericTreeNode.
Rename bean GenericTreeBean to GuiGenericsTreeBean.
Introduce flag of expanded node.
Fix bug: tree closes when we add a subtype to type.
Introduction of very useful method updateChildren() to class GuiGenericsTreeNode. This method is called on every modification of tree to avoid rebuild the tree enterly.
Introduction of very very useful method updateSubTree() to class GuiGenericsTreeNode.
Fix of bug: exception on message in newType().
Add button Refresh tree in context menu.
Merge branch 'myadmin' into stable
Conflict resulution.