pull-requests: make the catch all route also support nicer format with '-'

rhodecode/config/routing.py

@@ -551,8 +551,12 b' def make_map(config):'
         m.connect('admin_add_repo', '/add_repo/{new_repo:[a-z0-9\. _-]*}',
                   action='add_repo')
         m.connect(
-            'pull_requests_global', '/pull_requests/{pull_request_id:[0-9]+}',
+            'pull_requests_global_0', '/pull_requests/{pull_request_id:[0-9]+}',
             action='pull_requests')
+        m.connect(
+            'pull_requests_global', '/pull-requests/{pull_request_id:[0-9]+}',
+            action='pull_requests')
+
 
     # USER JOURNAL
     rmap.connect('journal', '%s/journal' % (ADMIN_PREFIX,),