move builtin and imports into the evaluate directory

jedi/keywords.py

@@ -6,7 +6,7 @@ import keyword
 from jedi._compatibility import is_py3k
 from jedi.parser import representation as pr
 from jedi import common
-import builtin
+from jedi.evaluate import builtin
 
 try:
     from pydoc_data import topics as pydoc_topics