added support for configuring request headers.

[utils] / crawler / build.xml

<?xml version="1.0"?>
<!DOCTYPE project [
    <!ENTITY header SYSTEM "file:../build/header.xml">
    <!ENTITY delegator SYSTEM "file:../build/delegator.xml">
]>

<project name="utils" basedir=".">

    <property name="project.home" value=".."/>

    &header;
    
    <property name="projects" value="basic,kiss,kissweb"/>
    
    &delegator;

</project>