Merge branch 'body-class'

Conflicts:
	pace.min.js

Author: zackbloom

pace.coffee

@@ -150,6 +150,9 @@ class Bar
       @el = document.createElement 'div'
       @el.className = "pace pace-active"
 
+      document.body.className = document.body.className.replace 'pace-done', ''
+      document.body.className += ' pace-running'
+
       @el.innerHTML = '''
       <div class="pace-progress">
         <div class="pace-progress-inner"></div>
@@ -169,6 +172,10 @@ class Bar
     el.className = el.className.replace 'pace-active', ''
     el.className += ' pace-inactive'
 
+    document.body.className = document.body.className.replace 'pace-running', ''
+    document.body.className += ' pace-done'
+
+
   update: (prog) ->
     @progress = prog