update messaging for contact registration

src/views/ContactsView.vue

@@ -794,7 +794,7 @@ export default class ContactsView extends Vue {
   async register(contact: Contact) {
     if (
       confirm(
-        "Are you sure you want to use one of your registrations for " +
+        "Are you sure you want to register " +
           this.nameForDid(this.contacts, contact.did) +
           (contact.registered
             ? " -- especially since they are already marked as registered"
@@ -870,7 +870,7 @@ export default class ContactsView extends Vue {
             this.$notify(
               {
                 group: "alert",
-                type: "info",
+                type: "success",
                 title: "Registration Success",
                 text:
                   (contact.name || "That unnamed person") +