Merge remote-tracking branch 'origin/master' into DataLoadingUI
Bump jsZip Version
allow async loading of JSON data
allow loading of binary data
async loading URL datasets
XLS/XLSX loading using https://github.com/SheetJS/js-xls / https://github.com/SheetJS/js-xlsx
Merge branch 'DataLoadingUI'
update Rakefile according to last commits (new jsZip version and XLS/XLSX support)
generate new build