Updated GMD Version to 2.0
Updated GMD Version to 2.0

GwtMaterialDesign/gwt-material-starter,GwtMaterialDesign/gwt-material-template,GwtMaterialDesign/gwt-material-template,GwtMaterialDesign/gwt-material-template,GwtMaterialDesign/gwt-material-starter,GwtMaterialDesign/gwt-material-starter