*   include 'baz'
     *   project(':baz').projectDir = file('foo/baz')
     *
     *   // include many projects whose project dirs do not match the logical project paths
     *   file('subprojects').eachDir { dir ->
     *     include dir.name
     *     project(":${dir.name}").projectDir = dir
     *   }
     * </pre>
     *
     * @param projectPaths the projects to add.
     */