add integration build to travis

.travis.yml

@@ -4,3 +4,7 @@ before_install:
 node_js:
   - "0.11"
   - "0.10"
+env:
+  - TEST_SUITE=unit
+  - TEST_SUITE=integration
+script: "npm run-script $TEST_SUITE"

package.json

@@ -39,7 +39,8 @@
     "files": "test/*.js"
   },
   "scripts": {
-    "test": "./node_modules/.bin/istanbul test ./node_modules/.bin/_mocha -- --reporter list `find test -maxdepth 1 -not -type d`",
+    "unit": "./node_modules/.bin/istanbul test ./node_modules/.bin/_mocha -- --reporter list `find test -maxdepth 1 -not -type d`",
+    "test": "npm run-script unit",
     "integration": "./node_modules/.bin/_mocha --reporter list test/integration/*.js",
     "coverage": "./node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha -- --reporter list test/*.js",
     "compile": "./node_modules/.bin/browserify ./src/index.js -s Bitcoin | ./node_modules/.bin/uglifyjs > bitcoinjs-min.js"