title: I want to integrate mxgraph with angular 4
body: <p>I took some idea from this <a href="https://github.com/sibaspage/mxgraph-with-angular2.git" rel="nofollow noreferrer">https://github.com/sibaspage/mxgraph-with-angular2.git</a>. I can run this code on my machine but not completely Export and import are not working. What I want to do to export the diagram in xml and import diagram xml as well.</p>