Give bed features a default score.  Addresses #60, and also that is the correct interpretation of "no score".
Give bed features a default score.  Addresses #60, and also that is the correct interpretation of "no score".

NabaviLab/CNV-Visualizer,NabaviLab/CNV-Visualizer,NabaviLab/CNV-Visualizer,NabaviLab/CNV-Visualizer,NabaviLab/CNV-Visualizer,igvteam/igv.js,igvteam/igv.js