Fixing the step to run the install.  It should be install instead of before_script

Per documentation here. 

http://about.travis-ci.org/docs/user/build-configuration/#install

Our last job with the current travis configuration still calling the old install

https://travis-ci.org/rackerlabs/blueflood/jobs/10694592

skip test is done through maven.test.skip that is honored by both surefire and failsafe

http://maven.apache.org/surefire/maven-surefire-plugin/examples/skipping-test.html