Merge pull request #66 from trypton/release/editor_v2

Merged editor_v1 into editor_v2
EDT-654 Undo button only working once
Merge pull request #67 from trypton/edt-654

EDT-654 Undo button only working once
EDT-628 Streamlined Table UX
  * fixed cell selection with shift + arrow keys
EDT-628 Streamlined Table UX
  * fixed getSelectedCells()
Merge pull request #68 from trypton/edt-628

EDT-628 Streamlined Table UX
Merge remote branch 'upstream/release/editor_v1' into release/editor_v2