Merge pull request #257 from anilsaldhana/master

PLINK-396: dont decode relaystate
Merge pull request #258 from anilsaldhana/master

PLINK-396: global logout participant list is keyed by the decoded relay ...
added diagram resources for documentation
[PLINK-400] - Stateless behavior to the Identity bean.
Merge pull request #261 from pedroigor/PLINK-400

[PLINK-400] - Stateless behavior to the Identity bean.
[PLINK-385] - Support connection pooling when using the LDAP Identity Store.
Merge pull request #262 from pedroigor/master

[PLINK-385] - Support connection pooling when using the LDAP Identity Store.