FLP: increase tolerance on objective value from .0001 to .01
VRP: highlight routes on mouseover in vehicle table
Change d3 script URL to d3js.org (redirect from github was often slow)
VRP: Error checking for invalid, duplicate, or missing customers
Merge VRP error checking into local_use

Conflicts:
	coloring/index.html
	facility/index.html
	tsp/index.html
	vrp/index.html