added pom for building project; makes project publishable; see: https://...

...issues.sonatype.org/browse/OSSRH-9367

Once the jira is resolved you can publish the artifacts. To publish a snapshot:

mvn clean deploy

Follow instructions here (https://docs.sonatype.org/display/Repository/Sonatype+OSS+Maven+Repository+Usage+Guide, section 7a.3) to publish a release:

mvn release:clean
mvn release:prepare
mvn release:perform