fixed issue #208, updated archetype metadata to include any file type

    <fileSet filtered="false" encoding="UTF-8">

      <directory>src/main/amp</directory>

      <includes>

        <include>**/*.jsp</include>

        <include>**/*.xml</include>

        <include>**/*.properties</include>

        <include>**/*.txt</include>

      </includes>

    </fileSet>

    <fileSet encoding="UTF-8">

      <directory>src/main/amp</directory>

      <includes>

        <include>**/*.js</include>

        <include>**/*.css</include>

        <include>**/**</include>

      </includes>

    </fileSet>

    <fileSet filtered="false" packaged="false" encoding="UTF-8">