Filter out spec directory from SimpleCov results.
Filter out spec directory from SimpleCov results.

byroot/lita,brodock/lita,mcgain/lita,elia/lita,byroot/lita,mcgain/lita,jimmycuadra/lita,natesholland/lita,elia/lita,crimsonknave/lita,jaisonerick/lita,PatrickTulskie/lita,prsimp/lita,brodock/lita,liamdawson/lita,tristaneuan/lita,litaio/lita,MatthewKrey/lita,crimsonknave/lita,sadiqmmm/lita,natesholland/lita,MatthewKrey/lita,tristaneuan/lita,litaio/lita,jimmycuadra/lita,chriswoodrich/lita,chriswoodrich/lita,sadiqmmm/lita,jaisonerick/lita,liamdawson/lita