demo: maximize table
rename frozenColumns > rowHeaders
move spreadsheetColumnLabel to helpers
bugfix: don't scroll the window on home/end keydown
no need to pass null displayRows/displayColumns
WalkontableColumnStrategy - initial release; get rid of unpredictable and slow displayColumns
WalkontableColumnStrategy - bugfix: crashed when there were no cells to be displayed
test: 0.8.17 bug - Checkboxes seem broken
bugfix: 0.8.17 bug - Checkboxes seem broken
bugfix: clicking on checkbox renderer does not change state (#543)
bugfix: Checkbox readonly is not working
test: Checkbox readonly is not working
refactor the checkboxRenderer readonly change so it works without a hack
bugfix: checkbox readonly is not working (#555)
Merge branch 'demo' into maximize
refactor: move DOM setting reading operations from tableView.js to core.js; update scroll.html Maximize demo
bugfix: scroll.html Maximize button did not work in IE
feature: added "Maximize HOT table" button in first example on Scroll demo page (#495)
Merge branch 'fixed_marcin' into walkontableWidths

Conflicts:
	src/tableView.js
Merge branch 'master' into 0.8.18