Update bleach from 2.1.3 to 2.1.4 (pypi#4573)

Author: pyup-bot

requirements/main.txt

@@ -92,9 +92,9 @@ bcrypt==3.1.4 \
     --hash=sha256:67ed1a374c9155ec0840214ce804616de49c3df9c5bc66740687c1c9b1cd9e8d
 billiard==3.5.0.4 \
     --hash=sha256:ed65448da5877b5558f19d2f7f11f8355ea76b3e63e1c0a6059f47cfae5f1c84
-bleach==2.1.3 \
-    --hash=sha256:b8fa79e91f96c2c2cd9fd1f9eda906efb1b88b483048978ba62fef680e962b34 \
-    --hash=sha256:eb7386f632349d10d9ce9d4a838b134d4731571851149f9cc2c05a9a837a9a44
+bleach==2.1.4 \
+    --hash=sha256:24754b9a7d530bf30ce7cbc805bc6cce785660b4a10ff3a43633728438c105ab \
+    --hash=sha256:0ee95f6167129859c5dce9b1ca291ebdb5d8cd7e382ca0e237dfd0dad63f63d8
 boto3==1.7.78 \
     --hash=sha256:b5ae96cc8d24530298e01a9a77a4982e4f466e1313f21703b2e282eff2ba6292 \
     --hash=sha256:ded0cc0a9a58a9c58d2e95d76fa17a559a1c1ebae3a9c70186c6e8b985357f74