Add Oracle driver to Maven

1. Download driver ojdbc6.jar from oracle.

2. Install driver to maven local repository with the following command.

mvn install:install-file -Dfile={driver/path/ojdbc.jar} -DgroupId=com.oracle 
-DartifactId=ojdbc6 -Dversion=11.2.0 -Dpackaging=jar

3. Copy following to your pom.xml.

   <!-- Oracle DB driver -->
   <dependency>
    <groupId>com.oracle</groupId>
    <artifactId>ojdbc6</artifactId>
    <version>11.2.0</version>
   </dependency>