Moved all the recipes that weren't actually recipes to addons.

addons/jinja.py

@@ -3,6 +3,9 @@ import pathlib
 
 Import('env')
 
+if not hasattr(env, 'Jinja'):
+    Return('env')
+
 def _jinja_load_config(env, config_name):
     searched_paths = []
     for scons_path in env['JINJA_CONFIG_SEARCHPATH']: