OC-49 - Use appbundler to build mac .app via separate build.xml
OC-49 - Fold separate build.xml into pom.xml via maven-antrun-plugin
OC-49 - Switch appbundler to infinitekind-appbundler-ade107992a65

    From here: https://bitbucket.org/infinitekind/appbundler/
    This is a patched version of the Oracle appbundler that solves some
    issues, including retina display.