fix travis rights and try to reuse ivy2 and sbt folder
fix travis rights and try to reuse ivy2 and sbt folder

sphereio/sphere-sunrise,commercetools/commercetools-sunrise-java,sphereio/commercetools-sunrise-java,sphereio/commercetools-sunrise-java,rfuertesp/pruebas2,sphereio/commercetools-sunrise-java,commercetools/commercetools-sunrise-java,commercetools/commercetools-sunrise-java,rfuertesp/pruebas2,sphereio/sphere-sunrise,sphereio/commercetools-sunrise-java,sphereio/sphere-sunrise,rfuertesp/pruebas2,sphereio/sphere-sunrise,commercetools/commercetools-sunrise-java,rfuertesp/pruebas2