parent-properties

<properties>
    <!--  encoding-->
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <!--java version -->
    <java-version>1.7</java-version>

    <!-- plugin versions -->
    <ejb-plugin-version>2.3</ejb-plugin-version>
    <war-plugin-version>2.4</war-plugin-version>
    <ear-plugin-version>2.9</ear-plugin-version>
    <compiler-plugin-version>3.1</compiler-plugin-version>

    <!-- dependency versions -->
    <javaee-api-version>7.0</javaee-api-version>

    <!-- EJB spec version -->
    <ejb-spec-version>3.2</ejb-spec-version>
</properties>