xpjson.rst: Add "uuid" and "derivedInfo" fields. Make date-time field type format stricter. Bump version to 0.2.
xpjson.rst: Add "uuid" and "derivedInfo" fields. Make date-time field type format stricter. Bump version to 0.2.

xgds/xgds_planner2,xgds/xgds_planner2,xgds/xgds_planner2,xgds/xgds_planner2