1.) When sorting columns empty cells will always be last (like in Excel or Google Table).
2.) BugFix: Can add new line after sorting without exception
[only auto generated]
Merge remote-tracking branch 'origin/master'

Conflicts:
	dist/jquery.handsontable.full.css
	dist/jquery.handsontable.full.js
	jquery.handsontable.css
	jquery.handsontable.js
Merge remote-tracking branch 'origin/master'

Conflicts:
	dist/jquery.handsontable.full.css
	dist/jquery.handsontable.full.js
	jquery.handsontable.css
	jquery.handsontable.js