Update werkzeug.

requirements.txt

@@ -59,7 +59,7 @@ WebError==0.13.1          # via pylons
 WebHelpers==1.3           # via pylons
 WebOb==1.0.8              # via fanstatic, pylons, repoze.who, repoze.who-friendlyform, weberror, webtest
 WebTest==1.4.3            # via pylons
-Werkzeug==0.11.10         # via flask
+Werkzeug==0.14.1          # via flask
 zope.interface==4.3.2
 
 # The following packages are commented out because they are