bugfix: virtual scroller was not injected into the container, overflow auto failed
Merge branch 'master' into gh-pages

Conflicts:
	jquery.handsontable.js
	src/core.js
Merge branch 'master' into gh-pages
feature: Handsontable now binds data as reference. Object data source supported as well. Rename rows/cols parameter to startRows/startCols
bugfix: last version not complied
bugfix: editing with F2/double click; deleting cell value
Merge branch 'master' into gh-pages
merge from master
Merge branch 'master' into reference
Merge branch 'master' into reference
bugfix: events datachangebycol, selection, selectionbyprop are called on rootElement
Merge branch 'master' into gh-pages
bugfix: setDataAtCell did not work with object data source. Add (unresolved) test case for nested object data source
feature: allow for nested object data source (validates test case)
bugfix: selectCell was triggering nasty exceptions when trying to select cell in unknown column
bugfix: selectCell was triggering nasty exceptions when trying to select cell in unknown column (cont.)
Merge branch 'master' into gh-pages
merge from master
docs: describe constructor
feature: make `columns` option working with arrays