Make Tradfri discoverable (#7128)

* Make Tradfri discoverable

* Fix lint errors

* Fix bugs and clean up calls to light_control

* Add more color util tests

* Add coap client to dockerfile

virtualization/Docker/scripts/coap_client

@@ -0,0 +1,14 @@
+#!/bin/sh
+# Installs a modified coap client with support for dtls for use with IKEA Tradfri
+
+# Stop on errors
+set -e
+
+apt-get install -y --no-install-recommends git autoconf automake libtool
+
+git clone --depth 1 --recursive -b dtls https://github.com/home-assistant/libcoap.git
+cd libcoap
+./autogen.sh
+./configure --disable-documentation --disable-shared
+make
+make install

virtualization/Docker/scripts/openalpr

@@ -12,7 +12,7 @@ PACKAGES=(
 apt-get install -y --no-install-recommends ${PACKAGES[@]}
 
 # Clone the latest code from GitHub
-git clone https://github.com/openalpr/openalpr.git /usr/local/src/openalpr
+git clone --depth 1 https://github.com/openalpr/openalpr.git /usr/local/src/openalpr
 
 # Setup the build directory
 cd /usr/local/src/openalpr/src