Added Curl to the runtime dependencies to allow for easier scripting (#114)

This is all that needs to be changed for the issue I raised to be resolved.

Author: ironcrafter54

Dockerfile

@@ -43,6 +43,7 @@ RUN apt-get install -y alsa-utils
 RUN apt-get install -y --no-install-recommends pulseaudio-utils
 RUN apt-get install -y ca-certificates
 RUN apt-get install -y libavahi-compat-libdnssd1
+RUN apt-get install -y curl
 
 RUN	rm -rf /var/lib/apt/lists/*