PEP8Bear: Rename comment to say PyCodeStyle

Due to semantics, PEP8 is not the right word here, PyDocStyle, the tool
whichisenforcing these is the correct word. PEP8 is a document which
states it's OK to break it's own style guide, and hence the style guide
enforced is not PEP8.

Fixes #627

Author: AbdealiLoKo

bears/python/PEP8Bear.py

@@ -49,6 +49,6 @@ def run(self, filename, file,
 
         for diff in diffs:
             yield Result(self,
-                         "The code does not comply to PEP8.",
+                         "The code does not comply to PyCodeStyle.",
                          affected_code=(diff.range(filename),),
                          diffs={filename: diff})