Fixes the problem finding development.ini

Unfortunately the code forgot to use os.cwd() to  ensure config was
loaded with an absolute path, and was trying to load it relative without
knowing from where.

ckan/lib/cli.py

@@ -124,7 +124,7 @@ def _get_config(self):
             self.filename = os.environ.get('CKAN_INI')
             config_source = '$CKAN_INI'
         else:
-            self.filename = 'development.ini'
+            self.filename = os.path.join(os.getcwd(), 'development.ini')
             config_source = 'default value'
 
         if not os.path.exists(self.filename):