Change info to use serverid.
Change transfer socket to socketHashEntry to eliminate new objects.
add mput in MMSClient for testing
modify http interface to support when key is INFO with duplication
Change PhotoClient/ClientAPI to thread-safe and automatically reconnect.
Add redis/jedis dependency; add random redis url selection;
c client init,get,put,but thread-safe
add jar package to compile jetty
merge with master,fix confilct,and init,get,put can work
merge with master and modify iGet but not right yet.
merge with zhaoyang and modify to solve conflicts