Revert "Report all coverage reports together"

This reverts commit 11ed5d62ba.

packages/0x.js/package.json

@@ -19,10 +19,10 @@
         "upload_docs_json": "aws s3 cp generated_docs/index.json $S3_URL --profile 0xproject --grants read=uri=http://acs.amazonaws.com/groups/global/AllUsers --content-type application/json",
         "generate_contract_wrappers": "node ../abi-gen/lib/index.js --abis 'src/artifacts/@(Exchange|Token|TokenTransferProxy|EtherToken|TokenRegistry|DummyToken).json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/contract_wrappers/generated --backend ethers && prettier --write 'src/contract_wrappers/generated/**.ts'",
         "lint": "tslint --project . 'src/**/*.ts' 'test/**/*.ts'",
-        "test:circleci": "run-s test:coverage",
+        "test:circleci": "run-s test:coverage report_test_coverage",
         "test": "run-s clean test:commonjs",
-        "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
-        "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
+        "test:coverage": "nyc npm run test --all",
+        "report_test_coverage": "nyc report --reporter=text-lcov | coveralls",
         "update_contracts": "for i in ${npm_package_config_artifacts}; do copyfiles -u 4 ../contracts/build/contracts/$i.json ../0x.js/src/artifacts; done;",
         "clean": "shx rm -rf _bundles lib test_temp",
         "build:umd:prod": "NODE_ENV=production webpack",
@@ -59,6 +59,7 @@
         "chai-bignumber": "^2.0.1",
         "chai-typescript-typings": "^0.0.4",
         "copyfiles": "^1.2.0",
+        "coveralls": "^3.0.0",
         "dirty-chai": "^2.0.1",
         "json-loader": "^0.5.4",
         "mocha": "^4.0.1",