v14.4.0

• Ability to read lat, lng, and indoor from Lua get_device() helpers.
• Fix system halting memory leak when taking > 1,000 photos in a single boot.
• Increase timeout for http() requests in Lua.
• alpha release of Lua helpers: base64.encode(), base64.decode(), auth_token(), take_photo_raw().
• Fix bug where calling json.decode() in Lua on an Array would raise an exception.
• Upgrade Nerves system, Erlang, Elixir, OTP.
• Minor changes related to deprecations and platform changes.