chore(package): update validate-commit to version 3.2.1
chore(package): update validate-commit to version 3.2.1

Closes #120
paradox41/angular2-chartist,paradox41/angular2-chartist,willsoto/angular2-chartist,willsoto/ng-chartist,paradox41/angular2-chartist,willsoto/ng-chartist,willsoto/angular2-chartist,willsoto/ng-chartist,willsoto/angular2-chartist