npm_and_yarn in /jbrowse for ajv, bn.js, bootstrap, bootstrap, elliptic, jspdf, jspdf, jspdf, qs, tar, webpack, webpack - Update #1256512771

npm_and_yarn in /jbrowse for ajv, bn.js, bootstrap, bootstrap, elliptic, jspdf, jspdf, jspdf, qs, tar, webpack, webpack - Update #1256512771 #339