PicketLink Quickstarts

This PR provides some PicketLink quickstarts. For a complete list of them and also the corresponding JIRAs, please access:

https://issues.jboss.org/issues/?jql=project%20%3D%20JDF%20AND%20resolution%20%3D%20Unresolved%20AND%20component%20in%20(Quickstarts%2C%20quickstarts)%20AND%20labels%20%3D%20PicketLink%20ORDER%20BY%20priority%20DESC

Please, do not merge this PR until the PicketLink version is updated to the next version in JBoss BOMs. Once it is updated, I'll change the version of some dependencies and let you know when it is ready to be merged.