move mixin to evaluate directory

setup.py

@@ -27,7 +27,7 @@ setup(name='jedi',
       keywords='python completion refactoring vim',
       long_description=readme,
       packages=['jedi', 'jedi.parser', 'jedi.evaluate'],
-      package_data={'jedi': ['mixin/*.pym']},
+      package_data={'jedi': ['evlaluate/evaluate/mixin/*.pym']},
       platforms=['any'],
       classifiers=[
           'Development Status :: 4 - Beta',