Import environment variables, so that we can run javadoc.
Import environment variables, so that we can run javadoc.

davidmoten/UMLGraph,dspinellis/UMLGraph,dspinellis/UMLGraph,davidmoten/UMLGraph,Edd123/UMLGraph,dspinellis/UMLGraph,davidmoten/UMLGraph,Edd123/UMLGraph,Edd123/UMLGraph