Found a way. Finally I could get sources by un-commenting last line in /etc/apt/sources.list. Still struggled with build and to make it known to omadactl. Finally I just did apt-get install jsvc and...

Installation works well. Great idea at all! Just forgot the jsvc before. Struggling now with apt-get source jsvc E: You must put some source URI's in Your sources list. Could someone just help me on...