fix(setup): ensure we only skip tasks that should be skipped

no issue
- fix ssl not getting run at all even if it should be

Author: acburdine

lib/commands/setup.js

@@ -115,7 +115,7 @@ class SetupCommand extends Command {
                             // TODO: this depends on Listr private API, probably should find a better way
                             let skipped = stage.dependencies.filter(dep => !taskMap[dep] || taskMap[dep]._task.isSkipped());
 
-                            if (skipped) {
+                            if (skipped && skipped.length) {
                                 let plural = skipped.length > 1;
                                 this.ui.log(`Task ${stage.name} depends on the '${skipped.join('\', \'')}' ${plural ? 'stages' : 'stage'}, which ${plural ? 'were' : 'was'} skipped.`, 'gray');
                                 return task.skip();