Merge pull request #248 from anilsaldhana/master

PLINK-376: port json security code
Merge pull request #249 from anilsaldhana/master

fix scim test
Merge pull request #250 from anilsaldhana/master

SCIM fixes for user/group with deletion
Merge pull request #251 from anilsaldhana/master

push authorization header
Merge pull request #252 from anilsaldhana/master

PLINK-378: logout handler should set the nameid format on the logout req...