The jt-ora module requires the oracle JDBC driver in order to compile.
Download the ojdbc5.jar driver from oracle and install local maven repository:
mvn install:install-file -Dfile=ojdbc7.jar \ -DgroupId=com.oracle -DartifactId=ojdbc7 \ -Dversion=11.1.0.7.0 -Dpackaging=jar -DgeneratePom=true
You can then build using the oracle profile:
mvn -Poracle