error msg fixes

Miscellaneous error message tweaks.
Makes the error message displayed in `kubectl get` more visible.
Returns exit code 1 if a patch fails.

pkg/kubectl/cmd/cmd.go

@@ -239,7 +239,8 @@ __custom_func() {
     * services (aka 'svc')
     * statefulsets
     * storageclasses
-    `
+
+`
 )
 
 var (