8eb67a9e01
Change I2423030bd0849c051d22f63bf60b6a5f41f72574 migrated Federation api-ref docs into keystone repository. Moving Assertion API to its own file is one of the TODO comments left there, which is being addressed in this change. Change-Id: I0ad565619744eb7f7b3c2fb33971d8d8ab4e22ea