Bug fixed related to issue #4. Diagram divs grows limitless to the right and to the bottom. 
Bug fixed related to issue #4. Diagram divs grows limitless to the right
and to the bottom. 
lab-csx-ufmg/omtg-designer,lab-csx-ufmg/omtg-designer,lizardoluis/omtg-designer,lizardoluis/omtg-designer,lizardoluis/omtg-designer,lab-csx-ufmg/omtg-designer