Rename attribute from url to href for consistency

app/assets/javascripts/user_tabs.js.coffee

@@ -66,7 +66,7 @@ class @UserTabs
     return if @loaded['activity'] is true
     $calendarWrap = $('.user-calendar')
-    $calendarWrap.load($calendarWrap.data('url'))
+    $calendarWrap.load($calendarWrap.data('href'))
     new Activities()
     @loaded['activity'] = true

app/views/users/show.html.haml

@@ -88,7 +88,7 @@
     #activity.tab-pane
       .gray-content-block.white.second-block
         %div{ class: container_class }
-          .user-calendar{data: {url: user_calendar_path}}
+          .user-calendar{data: {href: user_calendar_path}}
             %h4.center.light
               %i.fa.fa-spinner.fa-spin
         .user-calendar-activities