Remove "width: 100%" from type-pane.
Add Term-Cemantic-View.
1.A checkbox for Term-Cemantic-View is added to the Change-Settings-dialog.
2.Hide entities and relations, and shrink types when Term-Cemantic-View.
3.New denotation does not show his entities when Term-Cemantic-View.
4.the grobal variable "connectors" is moved into "renderer.relation".
5.A new property "renderer.helper" is added that is a facade of native render functions.
Arrange a position of the pane to center entities when enties width is longer than pane width.