LT-61: Record actions that create, modify, delete, associate timepoints, remove associations and login

- Show Last Login Date popup after login successful
(WIP)

Packages/lesiontracker/client/components/lastLoginModal/lastLoginModal.js

@@ -0,0 +1,9 @@
+Template.lastLoginModal.helpers({
+    lastLoginDate: function() {
+        var userLoginDate = ReactiveMethod.call('getPriorLoginDate');
+        if (userLoginDate && userLoginDate.priorLoginDate) {
+            return moment(userLoginDate.priorLoginDate).format("MMMM Do YYYY, HH:mm:ss A");
+        }
+        return;
+    }
+});