Added About modal with last commit hash, moved some dialogs to lesionTracker package from viewerbase (OHIF-52)

Packages/lesiontracker/client/components/emailVerification/emailVerification.js

@@ -0,0 +1,5 @@
+Template.emailVerification.helpers({
+    emailAddress: function() {
+        return Meteor.user().emails[0].address;
+    }
+});