added emberscript and provided sample

lib/linguist/languages.yml

@@ -612,6 +612,13 @@ Emacs Lisp:
   - .el
   - .emacs
 
+EmberScript:
+  type: programming
+  color: "#f64e3e"
+  extensions:
+  - .em
+  - .emberscript
+
 Erlang:
   type: programming
   color: "#0faf8d"

samples/EmberScript/momentComponent.em

@@ -0,0 +1,23 @@
+class App.FromNowView extends Ember.View
+    tagName: 'time'
+    template: Ember.Handlebars.compile '{{view.output}}'
+    output: ~>
+        return moment(@value).fromNow()
+
+    didInsertElement: ->
+        @tick()
+
+    tick: ->
+        f = ->
+            @notifyPropertyChange 'output'
+            @tick()
+
+        nextTick = Ember.run.later(this, f, 1000)
+        @set 'nextTick', nextTick
+
+    willDestroyElement: ->
+        nextTick = @nextTick
+        Ember.run.cancel nextTick
+
+Ember.Handlebars.helper 'fromNow', App.FromNowView
+