Bug fixes.
Merge branch 'master' of https://github.com/nestortmj/aco

Conflicts:
	src/main/java/br/poli/ecomp/nestor/cn/App.java
	src/main/java/br/poli/ecomp/nestor/cn/graph/MapVrp.java
	target/classes/br/poli/ecomp/nestor/cn/App.class
	target/classes/br/poli/ecomp/nestor/cn/aco/Colony.class