Merge branch 'feature-box-memcached-test-suite'

test/box_memcached/binary-get.result

test/box_memcached/binary-get.test

test/box_memcached/bogus-commands.result

test/box_memcached/bogus-commands.test

test/box_memcached/cas.result

test/box_memcached/cas.test

test/box_memcached/expirations.result

test/box_memcached/expirations.test

test/box_memcached/flags.result

test/box_memcached/flags.test

test/box_memcached/flush-all.result

test/box_memcached/flush-all.test

test/box_memcached/getset.result

test/box_memcached/getset.test

test/box_memcached/incrdecr.result

test/box_memcached/incrdecr.test

test/box_memcached/multiversioning.result

test/box_memcached/multiversioning.test

test/box_memcached/noreply.result

test/box_memcached/noreply.test