Update setuptools from 36.3.0 to 36.4.0

requirements/prod.txt

@@ -428,9 +428,9 @@ requests==2.18.4 \
 schematic==0.4 \
     --hash=sha256:c0e10f877297f8414a1cafe759c67fb27902fe50838f725f4b5f15c598adeb9e
 # setuptools is required by cryptography, ipdb, ipython, spidermonkey, yolk
-setuptools==36.3.0 \
-    --hash=sha256:42bafe9efb8f771f6c96bb8e052e1de7474270719d471d596b9d91e53e8befd4 \
-    --hash=sha256:e9fa391c1183b40fc6a1298bee02d554743f23c805a3b75dbb18def0f0755fb1
+setuptools==36.4.0 \
+    --hash=sha256:4d54c0bfee283e78609169213f9c075827d5837086f58b588b417b093c23464b \
+    --hash=sha256:2758b0270fe8ceec42f336ee5b411e60dc8579febc27bb3ba9b794dc7f0239ae
 signing-clients==1.3.2 \
     --hash=sha256:2b74b3fce06b1a6acf790fcbc59ea345137698c53757e87af84db092c2190760 \
     --hash=sha256:5cc61c9caa960cea5bec2bc8eae17c3197e872a9008bf52146d4cbb03da93c08