Release v6.20.0

• [change-log]
• [docs]
• [translations]
• [report] Financial Statements: Accumulated periodic balance based on filters
• [fix] Purchase Return warehouse validation
• Update financial_statements.py
• Update balance_sheet.py
• Update profit_and_loss_statement.py
• Update financial_statements.js
• Updated documentation
• [minor] Reference doctype in Item-wise price List Rate report
• [fix] Ignore permissions and made Customer warehouse field hidden in selling cycle
• [fix] Validate rate with reference doc
• [fix] Validate company abbr
• Update stock_reconciliation.py
• Update stock_reconciliation_item.json
• Update delete-a-company-and-all-related-transactions.md
• Fixed issue where no Holidays would cause the report to break
• Update stock-reconciliation-for-non-serialized-item.md
• Update authorization-rule.md
• [minor] fixes to attendance tool and employee holiday attendance
• Feature - Employee Attendance Tool
• Added Employee Report Attendance Report Made Holiday details mandatory
• Update material_request.py
• [Refactor/Cleanup] Cleaned debug print statement Refactored code to use format() instead of string formatting using %s
• [Minor] Cleanup
• [Fix] 1. Sales Person wise transaction report 2. Sales Person wise target variance report 3. Sales order trend report generation for selection in group by feild
• [Partial]Fixed Sales person target variance report
• [Partial] Fixed the issue for Territory Item Group Variance report
• Fixed indicators & List view in Time Log, Time Log Batch
• Fixed error messages while making Time Log Batch from Time Log List view
• [fix] show formatted currency value in advance paid validation
• [fix] strip item_code before autoname
• Update material_request.py
• [minor] added abbreviate function in company
• fixed articles
• updated articles
• discount article
• articles
• articles
• [patch] Set party account currency in existing orders
• [fix] Multi currency advance payment against Order
• [cleanup] Removed 'Is Service Item' checkbox and filters
• Update index.md
• Update implementation-strategy.md