Merge pull request #277 from pedroigor/master

[PLINK-386] - Unsolicited IDP initiated Auth via POST binding.
Include NameID and Destination for LogoutRequest as per the SAML V2 Spec. Gives us better compliance with non PL Service Providers.
Fixing trailing white spaces - makes checkstyles happy
Merge pull request #278 from krisiye/master

Include NameID and Destination for LogoutRequest as per the SAML V2 Spec...
Merge pull request #279 from pedroigor/master

[PLINK-377] - Bring social dependency in PL BOM.