fixed json field representation
better native_json naming convention
fixed mongodb json?
Improve the graphing to show the name of the application.
fixed typo in driver_auto_json
added more tests for json Field
postgresql: identifies what adapter auto-loads json values
added custom represent to GoogleDatastoreAdapter, thanks Alan
Merge pull request #498 from encompass/master

Improve the graphing to show the name of the application.
Merge pull request #499 from niphlod/tests/json_type

added more tests for json Field
Merge pull request #500 from niphlod/fix/postgresql_json

postgresql: identifies what adapter auto-loads json values
Merge pull request #497 from jotbe/master

Fixed #1810: DAL.select(left=...) causes "Unknown column 't1.i1' in 'on ...
CROSS JOIN, thanks jotbe