Migration from Play! Framework 2.2.x to 2.3.x

Check original Play! Framework migration documentation first.

Maven-related changes

Just change Play! version from

    <properties>
        ...
        <play2.version>2.2.6</play2.version>
    </properties>

to

    <properties>
        ...
        <play2.version>2.3.10</play2.version>
    </properties>