updates httpclient to v4.5.11
updates httpclient to v4.5.11

addresses
* CVE-2012-6153
* CVE-2015-5262
* CVE-2014-3577

Libertymutual/ssh-key-enforcer-stash,Libertymutual/ssh-key-enforcer-stash,Libertymutual/ssh-key-enforcer-stash