row select feature preview
use more vibrant color
temporary change: tab (shift+tab) advances to next (previous) row
merge from 0.8.3 branch
new configuration options `currentRowClassName` and `currentColClassName` along with new example page "Highlight current row & column"
merge from 0.8.3 (currentRowClassName)
merge from colresize
merge from autowidth
bugfix: add columnSorting class name only if this option is turned on
bugfix: set column sorting to ascending when switched to different column