[Xmonad] Small key binding change

I just pushed a patch that changes the bindings for incMaster/swapLeft/swapRight. swapLeft/Right are movement operators, that did clash with firefox's back key. So they're now bound to: mod-shift-j and k That means incMaster ops are now mod-comma and mod-period (the < and > keys) Hope that's a bit more intuitive (particular 'swap', and avoids a clash). -- Don