Touchstart and touchend wrappers added + basics of mobile text editor + smoother scrolling
test implementation with movable editor
Touch selection first commit + unwanted handles when range spreads between multiple overlays bugfix
Missing Gruntfile for the previous commit
[ WIP ] Multiple cells selection update
Selection handles refactor + small improvements
[ WIP ] iPad editor and multiple selection handles, further improvements #PLY-59
Small improvements
Merge branch 'feature/ply-59' into feature/ply-59-merged

Conflicts:
	src/3rdparty/walkontable/src/event.js
	src/helpers.js
Further iPad integration updates #PLY-59
minor fixes (corner-border hiding, return causing newline in mobile editor, hiding cell pointer after moving mobile editor, fist cell unable for selection) #PLY-59
Wonky behaviour while rubberband scrolling on iPad (hiding overlays on scroll) + minor fixes #PLY-59
touch selection resize handles (and their hit areas) should act as cell hit areas #PLY-59
Mobile text editor move controlers speed boost #PLY-59
- tapping outside the container closes mobile text editor
- scrolling the table below mobile text editor hides cell pointer
- css headers/fixed rows/cols animation for touch scrolling
- other fixes
#PLY-59
remove Handsontable.Dom.extend (remember we still have Handsontable.helper.extend!); cleanup Handsontable.Dom
remove redundant file
Removed redundant code from core.js #1938
undefined example1console in demo
Added tests + small fixes #PLY-59