Inconsistency in the id name selection of json schema files.

[stephanesan]

Out of the 64 json-schema files, 22 have an id termination in ‘.json’ but the remaining don't have it.

http://openinterconnect.org/schemas/oic.create.json#",
http://openinterconnect.org/schemas/oic.r.button.json#",
http://openinterconnect.org/schemas/oic.r.energy.overload.json#",
http://openinterconnect.org/schemas/oic.r.mediaSource.json#",
http://openinterconnect.org/schemas/oic.r.mediaSourceList.json#",
http://openinterconnect.org/schemas/oic.r.nightMode.json#",
http://openinterconnect.org/schemas/oic.r.sensor.activity.count.json#",
http://openinterconnect.org/schemas/oic.r.sensor.atmosphericPressure.json#",
http://openinterconnect.org/schemas/oic.r.sensor.carbonDioxide.json#",
http://openinterconnect.org/schemas/oic.r.sensor.carbonMonoxide.json#",
http://openinterconnect.org/schemas/oic.r.sensor.contact.json#",
http://openinterconnect.org/schemas/oic.r.sensor.glassBreak.json#",
http://openinterconnect.org/schemas/oic.r.sensor.heart.zone.json#",
http://openinterconnect.org/schemas/oic.r.sensor.illuminance.json#",
http://openinterconnect.org/schemas/oic.r.sensor.json#",
http://openinterconnect.org/schemas/oic.r.sensor.magneticFieldDirection.json#",
http://openinterconnect.org/schemas/oic.r.sensor.motion.json#",
http://openinterconnect.org/schemas/oic.r.sensor.presence.json#",
http://openinterconnect.org/schemas/oic.r.sensor.touch.json#",
http://openinterconnect.org/schemas/oic.r.sensor.water.json#",
http://openinterconnect.org/schemas/oic.r.signalStrength.json#",
http://openinterconnect.org/schemas/oic.r.speech.tts.json#",