Merge pull request #188 from anilsaldhana/master

PLINK2-101: PLINK2-102: JDBC based token registry/revocation registry
[PLINK2-104] SP should read/recognize the SingleLogoutLocation ResponseLocation attribute in the metadata
Merge pull request #189 from dehort/PLINK2-104

[PLINK2-104] SP should read/recognize the SingleLogoutLocation ResponseL...