geo-rep: retry in case of ENOENT errors in entry creations

Change-Id: I8961633a7371c941a3feee44c949d5c934eca998
Original-Author: Venky Shankar <vshankar@redhat.com>
Signed-off-by: Amar Tumballi <amarts@redhat.com>
BUG: 847839
Reviewed-on: http://review.gluster.org/5933
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Tested-by: Venky Shankar <vshankar@redhat.com>