fix Connector::stop().
fix c0248252c
split out muduo_protorpc_wire
remove package name in RpcMessage. PROTOCOL CHANGED
v0.9.4
update backport.diff
Fix for 32-bit
add simple memcached server. LRU is not implemented.
add memcached footprint test
replace string with StringPiece to save memory.
add PerformanceInspector
fix include path for old version of gperftools.
build C++11 targets
shrink after writing
shrink buffer in a better way.
add memcached-bench
shard mutex
replace snprintf with LogStream.
Fix build for clang 3.3

Contributed by Benyu Zhang <byzhang@gmail.com>
fix warnings for clang.