[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-20190303


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

Changes for Build #565
[Tom Hayward <tom at tomh.us>] [leixen] Fix valid_tuning_steps list. #6523

[DanClemmensen <DanClemmensen at gmail.com>] [ft4] make the tone code less ugly [#4787]
Tone encode and decode both now derive from A single shared mapping table.

This also patch includes whitespace changes, but only to pass cpep8. Another
patch follows to fix other whitespace and minor cleanups.