Added link to Codeship from README
Added link to Codeship from README

pinry/pinry,Stackato-Apps/pinry,MSylvia/pinry,supervacuo/pinry,lapo-luchini/pinry,QLGu/pinry,MSylvia/pinry,wangjun/pinry,dotcom900825/xishi,lapo-luchini/pinry,dotcom900825/xishi,supervacuo/pinry,pinry/pinry,Stackato-Apps/pinry,wangjun/pinry,MSylvia/pinry,lapo-luchini/pinry,pinry/pinry,QLGu/pinry,supervacuo/pinry,rafirosenberg/pinry,Stackato-Apps/pinry,rafirosenberg/pinry,QLGu/pinry,wangjun/pinry,pinry/pinry,lapo-luchini/pinry