[chirp_users] New chirp-next build

Greetings,

A new build of CHIRP-next is available. This includes changes made directly to the tree since yesterday and may include additional features, bug fixes, etc. Unless you have a reason not to, we recommend using the latest build of CHIRP-next at all times.

You can get it from here:

http://trac.chirp.danplanet.com/chirp_next/

A list of changes since the last build are here:

c5e4b861 Allow copying memory extra settings in some cases ef38376d Make RadioSettingValue pickle-able 8ef3f131 Avoid copying FrozenMemory internal state 1e552c37 Update snapcraft.yaml 334cf6fc Remove clean files from tools/cpep8.manifest f4d80b31 Remove unreachable code found by vulture

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