Merge pull request #1174 from MITx/bug/btalbot/cms-userstab

cms - added users tab back into course navigation

cms/templates/widgets/header.html

@@ -29,6 +29,7 @@
       <li><a href="${reverse('course_index', kwargs=dict(org=ctx_loc.org, course=ctx_loc.course, name=ctx_loc.name))}" id='courseware-tab'>Courseware</a></li>
       <li><a href="${reverse('course_info', kwargs=dict(org=ctx_loc.org, course=ctx_loc.course, name=ctx_loc.name))}" id='courseinfo-tab'>Course Info</a></li>
       <li><a href="${reverse('edit_tabs', kwargs=dict(org=ctx_loc.org, course=ctx_loc.course, coursename=ctx_loc.name))}" id='pages-tab'>Pages</a></li>
+      <li><a href="${reverse('manage_users', kwargs=dict(location=ctx_loc.org))}" id='users-tab'>Users</a></li>
       <li><a href="${reverse('asset_index', kwargs=dict(org=ctx_loc.org, course=ctx_loc.course, name=ctx_loc.name))}" id='assets-tab'>Assets</a></li>
       <li><a href="${reverse('course_settings', kwargs=dict(org=ctx_loc.org, course=ctx_loc.course, name=ctx_loc.name))}" id='settings-tab'>Settings</a></li>
       <li><a href="${reverse('import_course', kwargs=dict(org=ctx_loc.org, course=ctx_loc.course, name=ctx_loc.name))}" id='import-tab'>Import</a></li>