add coveralls

package.json

@@ -7,7 +7,8 @@
     "test": "scripts/test.sh",
     "console": "truffle console",
     "install": "scripts/install.sh",
-    "coverage": "scripts/coverage.sh"
+    "coverage": "scripts/coverage.sh",
+    "coveralls": "scripts/coveralls.sh"
   },
   "repository": {
     "type": "git",
@@ -35,7 +36,9 @@
     "babel-preset-stage-2": "^6.18.0",
     "babel-preset-stage-3": "^6.17.0",
     "babel-register": "^6.23.0",
+    "coveralls": "^2.13.1",
     "ethereumjs-testrpc": "^3.0.2",
+    "mocha-lcov-reporter": "^1.3.0",
     "solidity-coverage": "^0.1.0",
     "truffle": "https://github.com/ConsenSys/truffle.git#3.1.9"
   }