add version information to

* build (as html meta tag)
* stored polls and users

Closes #65

Brocfile.js

@@ -5,6 +5,10 @@ var pickFiles = require('broccoli-static-compiler');
 var trees = [];
 
 var app = new EmberApp({
+  buildInfoOptions: {
+    metaTemplate: 'version={VERSION}-{COMMIT}'
+  },
+
   // do not fingerprint webshim
   fingerprint: {
     exclude: ['assets/shims']

app/controllers/poll.js

@@ -50,7 +50,8 @@ export default Ember.ObjectController.extend(EmberValidations.Mixin, {
             name: user.name,
             creationDate: new Date(),
             poll: this.get('model'),
-            selections: user.selections
+            selections: user.selections,
+            version: this.buildInfo.version + '-' + this.buildInfo.commit
           });
 
           // save new user

app/models/poll.js

@@ -39,6 +39,8 @@ export default DS.Model.extend({
     encryptedTimezoneOffset : DS.attr('string'),
     timezoneOffset : Ember.computed.encrypted('encryptedTimezoneOffset', 'number'),
 
+    version : DS.attr('string'),
+    
     // computed properties
     isFindADate: function() {
         return this.get('pollType') === 'FindADate';

app/models/user.js

@@ -13,5 +13,7 @@ export default DS.Model.extend({
     selections : Ember.computed.encrypted('encryptedSelections', 'array'),
     
     encryptedCreationDate : DS.attr('string'),
-    creationDate : Ember.computed.encrypted('encryptedCreationDate', 'date')
+    creationDate : Ember.computed.encrypted('encryptedCreationDate', 'date'),
+
+    version : DS.attr('string')
 });

app/routes/create.js

@@ -17,7 +17,8 @@ export default Ember.Route.extend({
       anonymousUser: false,
       datetime: false,
       datetimesInputFields: 2,
-      timezoneOffset: new Date().getTimezoneOffset()
+      timezoneOffset: new Date().getTimezoneOffset(),
+      version: this.buildInfo.version + '-' + this.buildInfo.commit
     });
   }
 });

package.json

@@ -28,6 +28,7 @@
     "ember-cli-app-version": "0.3.3",
     "ember-cli-babel": "^4.0.0",
     "ember-cli-bootstrap-datepicker": "git://github.com/soulim/ember-cli-bootstrap-datepicker.git#5cc3fdf114cece954cbb4af60c5584e362c1cdc3",
+    "ember-cli-build-info": "^0.1.0",
     "ember-cli-content-security-policy": "0.4.0",
     "ember-cli-dependency-checker": "0.0.8",
     "ember-cli-htmlbars": "0.7.4",