Bug 325852 Add description attribute to MPartDescriptor/MPart
Adding this new attribute we could e.g. show additional informations about a Part in Show View-Dialog, ...
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/ui/basic/impl/PartImpl.java
protected EList<MMenu> menus;
	/**
	 * The cached value of the '{@link #getToolbar() <em>Toolbar</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getToolbar()
	 * @generated
	 * @ordered
	 */
	protected MToolBar toolbar;
	/**
	 * The default value of the '{@link #isCloseable() <em>Closeable</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #isCloseable()
	 * @generated
	 * @ordered
	 */
	protected static final boolean CLOSEABLE_EDEFAULT = false;
	/**
	 * The cached value of the '{@link #isCloseable() <em>Closeable</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #isCloseable()
	 * @generated
	 * @ordered
	 */
	protected boolean closeable = CLOSEABLE_EDEFAULT;
	/**
	 * <!-- begin-user-doc -->