Add TravisCI and Coverage buttons to project README
Add TravisCI and Coverage buttons to project README

berkeley-stat159/project-kappa,giancarloescobar/project-kappa,imranyousuf/project-kappa,noelpimentel/project-kappa,changzheng1993/project-kappa,changzheng1993/project-kappa,noelpimentel/project-kappa,giancarloescobar/project-kappa,imranyousuf/project-kappa,berkeley-stat159/project-kappa