major migration from features included in 6.0 version
added account voucher advance
added tax counterpart simulation
added stock move devolutions
added account payment mode
altered security to enable 'guias'
added reports: account_advance_print, margins_report_data, invoices_diff_period.jasper, account_report_extracts_summary, account_report_extracts_summary_landscape
altered 'guias: 'corrected bugs caused by version migration
altered invoice: added fields payment_mode, hide_discounts, advance_id, advance_name
altered sale order : added field hide_discounts
altered product: added properties property_stock_account_client_return and property_stock_account_supplier_return to template; added property_stock_variation to category
added account_workflow.xml
added in_debit_note_sequence.xml