New Composite Editor Modal & Lots of fixes

This version brings a new Composite Editor modal to add/edit/massUpdate/updateSelection and also has lots of fixes since previous version. this version of Slickgrid-Universal should also be good to use by external libs like Angular-Slickgrid/Aurelia-Slickgrid

See the changelog of each packages:

• @slickgrid-universal/vanilla-bundle@0.2.0
• @slickgrid-universal/odata@0.2.0
• @slickgrid-universal/graphql@0.2.0
• @slickgrid-universal/file-export@0.2.0
• @slickgrid-universal/excel-export@0.2.0
• @slickgrid-universal/common@0.2.0