feat(travis): add coveralls support
feat(travis): add coveralls support

h2non/bimg,Dal-Papa/bimg,greut/bimg,denji/bimg,greut/bimg,Dal-Papa/bimg,leiyangyou/bimg,greut/bimg,h2non/bimg,denji/bimg,leiyangyou/bimg,h2non/bimg