WARN on recipe linting errors during --chaos..

..and show multiple linting errors instead of bailing on the first one.

Re #497

cli/app/deploy.go

@@ -108,7 +108,11 @@ checkout as-is. Recipe commit hashes are also supported as values for
 		}
 
 		if err := lint.LintForErrors(app.Recipe); err != nil {
-			log.Fatal(err)
+			if internal.Chaos {
+				log.Warn(err)
+			} else {
+				log.Fatal(err)
+			}
 		}
 
 		if err := validateSecrets(cl, app); err != nil {