gridshib-saml-tools ant project integrated via use of maven-antrun-plugin

1. The artifacts are defined in gridshib-saml-tools/pom.xml using the attachartifact tasks, but not tested yet for deploy.

2. The version number in the artifact name is still 2.0.0 since nothing except repackaging with the current ssl-proxies and gss jars has happened.

3. Documentation currently left unintegrated.