Switch jgrapht to 1.4.0
Switch jgrapht to 1.4.0

This also works with Java 8
heuermh/biojava,emckee2006/biojava,biojava/biojava,heuermh/biojava,emckee2006/biojava,heuermh/biojava,emckee2006/biojava,biojava/biojava,biojava/biojava