override default maven command in install section

Author: jdcasey

.travis.yml

@@ -1,3 +1,4 @@
 language: java
-script: 
-  - '[ "${TRAVIS_PULL_REQUEST}" = "false" ] && mvn deploy  -s ./travis-settings.xml -V -Prun-its -q -B -e|| mvn install -s ./travis-settings.xml -V -Prun-its -q -B -e' 
+install: '/bin/true'
+script: '[ "${TRAVIS_PULL_REQUEST}" = "false" ] && mvn deploy  -s ./travis-settings.xml -V -Prun-its -q -B -e|| mvn install -s ./travis-settings.xml -V -Prun-its -q -B -e'
+