13911 tftp: use libtecla to implement cli processing
Reviewed by: Robert Mustacchi <rm+illumos@fingolfin.org>
Approved by: Dan McDonald <danmcd@joyent.com>

5172 tftpd service is not registered by default and its manual is giving misleading directions
Reviewed by: Eric Sproul <esproul@omniti.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

2933 compiler warning gags need better granularity
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>

OpenSolaris Launch