Manually apply slick.grid.js performance improvements made to NTW's version of slick.grid.js to tt_master:
2a871bf717c3c20700af29749ce05512043b13b0 SlickGrid: set timer when vertically scrolling to improve performance
4fef336ad88e019b8c76e861cd06c9d809fd070a Improve slickgrid performance when resizing; delay render for 200ms