Update spymemcached from 2.11.4 to 2.11.7. mvn clean test OK.
Update spymemcached from 2.11.4 to 2.11.7. mvn clean test OK.

git-svn-id: 897293da6115b9493049ecf64199cf2f9a0ac287@1697519 13f79535-47bb-0310-9956-ffa450edef68

UlrichColby/httpcomponents-client,apache/httpcomponents-client,ok2c/httpclient