Add bug URL to package.json
Add bug URL to package.json

- Fixed repo and license url as pointed out by @krinkle

sergeychernyshev/csslint,SimenB/csslint,codeclimate/csslint,sergeychernyshev/csslint,Arcanemagus/csslint,scott1028/csslint,dashk/csslint,SimenB/csslint,codeclimate/csslint,scott1028/csslint,dashk/csslint,YanickNorman/csslint,malept/csslint,YanickNorman/csslint,malept/csslint,krahman/csslint,lovemeblender/csslint,Arcanemagus/csslint,dmi3y/csslint,kmulvey/bootstrap-csslint,lovemeblender/csslint