feature/geo-rep: Fix skipped files logging.

When changelog is failed to process even after max
retries, files are skipped but were not logging.
This patch addresses this issue to log the skipped
files.

Change-Id: Ic617e4151231fe18a171efa57a119e21164e1a6a
BUG: 1103577
Signed-off-by: Kotresh H R <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/7945
Reviewed-by: Aravinda VK <avishwan@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Tested-by: Venky Shankar <vshankar@redhat.com>