libglusterfs/client_t: cliententries are never expanded

clienttable->cliententries are never expanded once all the available
entries have been used.

Also removed a couple chatty log messages.

Change-Id: I3947fcb948e9ab84d1bb54233e96ea6808620b66
BUG: 1113749
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.org/8193
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Pranith Kumar Karampuri <pkarampu@redhat.com>