Merge pull request #489 from 3scale/hotfix/httpclient_2_13

Backport fix to version of httpclient

Author: akostadinov

Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/3scale/httpclient.git
-  revision: fec23fb32fb899b87a8b2c94e2d2069b6b4c633c
+  revision: 779beabd653afcd03c4468e0a69dc043f3bbb748
   branch: ssl-env-cert
   specs:
     httpclient (2.8.3)