Only load schemas if a configuration property is set

git-svn-id: https://svn.apache.org/repos/asf/santuario/xml-security-java/trunk@1585383 13f79535-47bb-0310-9956-ffa450edef68
Exclude bindings from javadoc

git-svn-id: https://svn.apache.org/repos/asf/santuario/xml-security-java/trunk@1585384 13f79535-47bb-0310-9956-ffa450edef68
Fixing javadoc warnings

git-svn-id: https://svn.apache.org/repos/asf/santuario/xml-security-java/trunk@1585385 13f79535-47bb-0310-9956-ffa450edef68