Added -croom option to textswap
Added -croom option to textswap

For performance reasons we want to be able to control how many
commands are in flight between the AFU and the CAPP. This adds the
ability to textswap. Be careful to use it only when command queues are
empty or it may cause strange things to happen.

sbates130272/capi-textswap,sbates130272/capi-textswap,sbates130272/capi-textswap