feat(core): BREAKING CHANGE replace jQueryUI by SortableJS

[ghiscoding]

Next Major TODOs

• replace jQueryUI Autocomplete with Kraaden Autocomplete
• remove jQueryUI with SortableJS
• replace jquery.event.drag-2.3.0.js & jquery.mousewheel lib with slick.interactions.js
• requires new Slickgrid-Universal 2.x major release
• create Migration 5.x Wiki

[codecov]

Codecov Report

Merging #865 (c663c86) into master (982183d) will not change coverage.
The diff coverage is 100.00%.

❗ Current head c663c86 differs from pull request most recent head d7c805a. Consider uploading reports for the commit d7c805a to get more accurate results

@@            Coverage Diff            @@
##            master      #865   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           15        15           
  Lines          969       968    -1     
  Branches       321       311   -10     
=========================================
- Hits           969       968    -1     

Impacted Files	Coverage Δ
src/aurelia-slickgrid/constants.ts	100.00% <ø> (ø)
...lia-slickgrid/custom-elements/aurelia-slickgrid.ts	100.00% <100.00%> (ø)

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