[LMS-2633] functional version of BaSynthec browsing UI, still needs some final touches

eu_basynthec/source/html/browser/basynthec-style.css

eu_basynthec/source/html/browser/button.css

eu_basynthec/source/html/browser/d3-test.html

eu_basynthec/source/html/browser/d3.js

eu_basynthec/source/html/browser/d3.layout.js

eu_basynthec/source/html/browser/d3.time.js

eu_basynthec/source/html/browser/dendrogram-filter.js

eu_basynthec/source/html/browser/jquery.js

eu_basynthec/source/html/browser/openbis-basynthec.js

eu_basynthec/source/html/browser/openbis-browser-backup.html

eu_basynthec/source/html/browser/openbis-browser.html

eu_basynthec/source/html/browser/openbis-request-cache.js

eu_basynthec/source/html/browser/openbis-utils.js

eu_basynthec/source/html/browser/openbis.js