Merge pull request #31 from hindessm/install-nock-for-travis

Add nock install.

Author: knolleary

.travis.yml

@@ -11,3 +11,4 @@ before_script:
   - npm install coveralls
   - npm install git+https://github.com/node-red/node-red.git
   - export NODE_RED_HOME=`pwd`/node_modules/node-red
+  - (cd $NODE_RED_HOME ; npm install nock )