Update build.
Fix whitespace.
Clean code.
Update missing translations for es-ES

I just realised that a few words were missing translation. Hope this helps the project
Update deps.
Update readme.
Update readme.
Update sidebar. Clean l10n files.
Improve menu.
Remove IE edge.
Update deps.
Extract sidebar.
Remove fracs dep in preview.
Remove fracs dep in select.
Update readme.
Update jquery.qrcode, jquery.scrollpanel and modulejs.
Minor tweaks.
Hide view settings if no choices.
Remove handlebars from jade templates.
Replace js libs with compressed variants.