Ticket 47329 - Improve slapi_back_transaction_begin() return code when transactions are not available
Bug Description: The slapi_back_transaction_begin() function needs it's return codes
to be changed to be more friendly for plug-in writers when
transactions are not available.
Fix Description: Added new error code SLAPI_BACK_TRANSACTION_NOT_SUPPORTED, and
updated the slapi_plugin.h
https://fedorahosted.org/389/ticket/47329
Reviewed by: Noriko, Ludwig, and Rich(Thanks!!!)