travis build install dependency resolve added

Author: AllanHoejgaardJensen

.travis.yml

@@ -7,6 +7,8 @@ before_install:
   - unzip -qq apache-maven-3.5.0-bin.zip
   - export M2_HOME=$PWD/apache-maven-3.5.0
   - export PATH=$M2_HOME/bin:$PATH
+ 
+install: mvn dependency:resolve 
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)