Commented out local library imports
Repaired zoom functionality that I accidentally broke during refactoring.
updated formatting function to be based on 'visibile' data attribute.
Simple 'on click unhide node' behavior
Added 'showAll' function on bombclick'
Made graph "sticky" and changed default setup"
combined mousedown and mouseup
Added right click handling
Right click (un)sets flags
Added halo to flagged nodes