Merge pull request #729 from lencyforce/master

undo edit command doesn't trigger onCellChange event
Workaround for broken inertial scrolling on Mac WebKit/Blink.
Merge remote-tracking branch 'remotes/mleibman-original/master' into k0stya-rowspan

Conflicts:
	slick.grid.js
Merge branch 'k0stya-rowspan' into frozenRowsAndColumns-work -- TODO: fix the cacheEntry.rowNode[0/1] use

Conflicts:
	slick.grid.js