couch_dbdump: Send all normal output to stdout
couch_dbdump: Send all normal output to stdout

Some of the normal, expected output was printed to stderr, which could
cause it to appear in the middle of the normal output in
cbcollect_info (as there is no guarantee of the relative ordering of
stdout and stderr.

Change so this output is directed to stdout.

Change-Id: If0c349466bb2590a2aa52464a816c902a653dc10
Reviewed-on: http://review.couchbase.org/48387
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Reviewed-by: Volker Mische <fb414f8ac0dbbf87663550ae4ef5fc95b1041941@gmail.com>
Tested-by: Volker Mische <fb414f8ac0dbbf87663550ae4ef5fc95b1041941@gmail.com>
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>

vmx/couchstore,couchbaselabs/couchstore,abhinavdangeti/couchstore,vmx/couchstore,couchbaselabs/couchstore,couchbaselabs/couchstore,abhinavdangeti/couchstore,abhinavdangeti/couchstore,vmx/couchstore