Performance improvement or streaming large result sets.

-bash-4.1$ time mysql -h 127.0.0.1 -P4007 -umassi -pmassi information_schema -q -e "select * from engines a, engines b, engines c, engines d, engines e;" > /dev/null

real	1m16.137s
user	0m0.660s
sys	0m0.392s
-bash-4.1$ time mysql -h 127.0.0.1 -P4007 -umassi -pmassi information_schema -q -e "select * from engines a, engines b, engines c, engines d, engines e;" > /dev/null

real	0m0.980s
user	0m0.944s
sys	0m0.027s
Merge branch 'release-1.0beta-refresh' of github.com:skysql/MaxScale into release-1.0beta-refresh