Added comments to bt5 and log

bt5/erp5_commerce/bt/change_log

+2012-08-27 jps
+Full review of the business template with addition of TODOs to each script.
+
 2010-09-30 nicolas.dumazet
 * Revert changes from 29th after adding Order abstract portal type to erp5_trade
 

bt5/erp5_commerce/bt/comment

-To get the Anonymous navigation working is required to set some security:
+To get the Anonymous navigation working, it is necessary to set some security:
 currency_module - Access contents information 
 product_module -  Access contents information 
 sale_order_module -  Access contents information 
+sale_trade_condition_module -  Access contents information 
+
+TODO:
+- merge account registration / creation into generic ERP5
+

bt5/erp5_commerce/bt/revision

-284
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+285
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