[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-20161018


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

Changes for Build #445
[Dan Smith <dsmith at danplanet.com>] Add test image for Retevis RT21 from Jim

#4139

[Jim Unroe <rock.unroe at gmail.com>] [New Model] Retevis RT21

This patch adds support for the Retevis RT21

#4139

[Michael Wagner <michael.wagner at gmx.at>] [btech] Resetting mem-extra-settings only when editing previously empty memory. Part of fix for #4121
Attempt to fix #4121 for the driver btech.py following Dan's proposal in http://intrepid.danplanet.com/pipermail/chirp_devel/2016-October/004298.html .

73,
Michael Wagner, OE4AMW