Allowing alternative authentication methods on ohif:user package

Packages/ohif-user/client/lib/index.js

@@ -1,2 +1,3 @@
 import './getName';
+import './login';
 import './logout';

Packages/ohif-user/client/lib/login.js

@@ -0,0 +1,14 @@
+import { Meteor } from 'meteor/meteor';
+import { OHIF } from 'meteor/ohif:core';
+
+OHIF.user.login = params => {
+    return new Promise((resolve, reject) => {
+        Meteor.loginWithPassword(params.username, params.password, error => {
+            if (error) {
+                return reject(error);
+            }
+
+            resolve();
+        });
+    });
+};