Upgrade requirements.

With the upgrade of pep8 to 1.7.0 module imports are required to be at the top of the file,
meaning I had to add a noqa line to some of the init files. Are those init files wrong or is pep8 too strict.

app/main/__init__.py

@@ -1,6 +1,6 @@
 from flask import Blueprint
 
-main = Blueprint('main', __name__)
+main = Blueprint('main', __name__)  # noqa
 
 from app.main.views import (
     index,