Change readme to mention columns instead of lanes.
Change readme to mention columns instead of lanes.

momo-aux/TaskBoard,wangjun/TaskBoard,ganquan0910/TaskBoard,woodworker/TaskBoard,wangjun/TaskBoard,HernanFaustino/ProjectsBoard,momo-aux/TaskBoard,momo-aux/TaskBoard,ashwinrayaprolu1984/TaskBoard,kiswa/TaskBoard,HernanFaustino/ProjectsBoard,jeremiahmarks/TaskBoard,vinnugaa/TaskBoard,kiswa/TaskBoard,woodworker/TaskBoard,jeremiahmarks/TaskBoard,ZM-git/TaskBoard,oh-em-gee/TaskBoard,jeremiahmarks/TaskBoard,ganquan0910/TaskBoard,HernanFaustino/ProjectsBoard,ZM-git/TaskBoard,momo-aux/TaskBoard,ashwinrayaprolu1984/TaskBoard,vinnugaa/TaskBoard,oh-em-gee/TaskBoard,ganquan0910/TaskBoard,jeremiahmarks/TaskBoard,kiswa/TaskBoard,woodworker/TaskBoard,oh-em-gee/TaskBoard,ZM-git/TaskBoard,HernanFaustino/ProjectsBoard,ganquan0910/TaskBoard,wangjun/TaskBoard,wangjun/TaskBoard,ZM-git/TaskBoard,kiswa/TaskBoard,woodworker/TaskBoard,vinnugaa/TaskBoard,vinnugaa/TaskBoard,ashwinrayaprolu1984/TaskBoard,ashwinrayaprolu1984/TaskBoard,kiswa/TaskBoard,oh-em-gee/TaskBoard