- implemented TALER_Extensions.parse_config for age restriction
- implemented TALER_Extensions.config_to_json for age restriction
- TEH_extensions_init now initializes the global TEH_extensions ** list
More worke towards support for extensions and age restriction:
- taler-exchange-httpd_management_extensions.c almost completed
- handling of request implemented
- stub "set_extensions" for database transaction added
- utility functions added
- TALER_exchange_offline_extension_agemask_{sign,verify}
- TALER_agemask_parse_json
More work towards support for extensions and age restriction
- updated gana
- added handler for DB-Event
- added TEH_extensions_init() and _done()
- added global for age restriction
- added stub for post handler
- added SQL-table for extension metadata
- added enum type for extensions and other data structures
Also:
- fixed some warnings -Wmaybe-unitialized
