d7 api: drupal_json_encode

Change-Id: Ie99800dfb1597a1f9d1e71a01db53c55f54400b3
Adding contact information for recurring subscriptions in paypal

Change-Id: Ica5053b2f49a59460373b47ee635cf3f62db7d3c
Reject rather than die after CiviCRM internal error

Change-Id: If181653b079ab91a4d3eeed78e5c36dfe5c97ca6
Contact import will use the language variant recorded in contribution_tracking, if available.

TODO:
* We also need to raise the size limit on this db field.

Change-Id: I01db24f6f56a89de0aa7da496d572e5575d6f96b