[chirp_users] New Daily Build

[Build System]

Greetings,

A new daily build of CHIRP is available.  This includes changes made
directly to the tree yesterday, and may include additional features,
bug fixes, and/or bugs.  If you are interested in trying it, grab it
from the following location:

  http://trac.chirp.danplanet.com/chirp_daily/daily-20170618


A list of the changes included in this build (since the last daily)
follows:

Changes for Build #490
[Jim Unroe <rock.unroe at gmail.com>] [New Model] Add Support for Retevis RT23 Radio

This patch adds basic support for the Retevis RT23 radio.

Note: This patch removes the "sleep" delays that were in the previously
submitted patch.

#4619


Changes for Build #491