Print CheckpointType in stream operator for Checkpoint
Print CheckpointType in stream operator for Checkpoint

Change-Id: I2bf8da191f6a1b76fb122f7234b51325e03d1b12
Reviewed-on: http://review.couchbase.org/112542
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Dave Rigby <a09264da4832c7ff1d3bf1608a19f4b870f93750@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine