[master][#1708][xs]: Protect against import of controller/search code…

… before config initialisation.

ckan/config/routing.py

@@ -8,14 +8,17 @@
 from pylons import config
 from routes import Mapper
 from ckan.plugins import PluginImplementations, IRoutes
-from ckan.controllers.package import register_pluggable_behaviour as register_package_behaviour
-from ckan.controllers.group   import register_pluggable_behaviour as register_group_behaviour
 
 
 routing_plugins = PluginImplementations(IRoutes)
 
 def make_map():
     """Create, configure and return the routes Mapper"""
+    # import controllers here rather than at root level because 
+    # pylons config is initialised by this point.
+    from ckan.controllers.package import register_pluggable_behaviour as register_package_behaviour
+    from ckan.controllers.group   import register_pluggable_behaviour as register_group_behaviour
+
     map = Mapper(directory=config['pylons.paths']['controllers'],
                  always_scan=config['debug'])
     map.minimization = False