Utility dumps all known key-value pairs from memcached. Connection
parameters are provided vi config file. Also utility has the following
params:
--file FILE, -f FILE File name where to store data
--restore, -r Restore data into memcached
--min-compress-len MIN_COMPRESS_LEN, -m MIN_COMPRESS_LEN
The threshold length to kick in auto-compression
Change-Id: Ied6bd2b95cccba42be5a69e13812b2206a0c73b9