LU-11606 utils: Call llapi_error() for errors in liblustreapi files

LU-11606 utils: Call llapi_error() for errors in liblustreapi files

Change calls to remaining printf() and fprintf() to use
llapi_printf() and llapi_error() so that it is possible
to override these calls when liblustreapi is linked into
some other application.

Change-Id: I6531d29b05b34766a68dabf17299cd00babe2517
Signed-off-by: Arshad Hussain <arshad.super@gmail.com>
Reviewed-on: https://review.whamcloud.com/33877
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Ben Evans <bevans@cray.com>
Tested-by: Jenkins
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Tested-by: Maloo <maloo@whamcloud.com>