JBEAP-900: Update documentation links in picketlink-sts README file
JBEAP-900: Update documentation links in picketlink-sts README file

josefkarasek/jboss-eap-quickstarts,hslee9397/jboss-eap-quickstarts,josefkarasek/jboss-eap-quickstarts,hslee9397/jboss-eap-quickstarts,trepel/jboss-eap-quickstarts,trepel/jboss-eap-quickstarts,hslee9397/jboss-eap-quickstarts,hslee9397/jboss-eap-quickstarts,hslee9397/jboss-eap-quickstarts,trepel/jboss-eap-quickstarts,trepel/jboss-eap-quickstarts,trepel/jboss-eap-quickstarts,josefkarasek/jboss-eap-quickstarts,josefkarasek/jboss-eap-quickstarts,josefkarasek/jboss-eap-quickstarts