Merge pull request ckan#3858 from smotornyuk/fix-link-add-dataset-on-…

…search-page

Fix of `Add Dataset` button on search page.

ckan/config/routing.py

@@ -183,7 +183,7 @@ def make_map():
     with SubMapper(map, controller='package') as m:
         m.connect('search', '/dataset', action='search',
                   highlight_actions='index search')
-        m.connect('add dataset', '/dataset/new', action='new')
+        m.connect('dataset_new', '/dataset/new', action='new')
         m.connect('/dataset/{action}',
                   requirements=dict(action='|'.join([
                       'list',