Allow start of arbitrary XQuery during eXist-db startup.
Results are logged in exist.log.

usage:
 <startup>
    <triggers>
      <trigger class="org.exist.collections.triggers.XQueryStartupTrigger">
        <parameter name="xquery" value="/db/script1.xq"/>
        <parameter name="xquery" value="/db/script2.xq"/>
      </trigger>
    </triggers>
  </startup>
Merge pull request #183 from dizzzz/feature/add_xquery_startup_trigger

Allow start of arbitrary XQuery during eXist-db startup.