Release v5.1.0

• change log
• Change log
• [fix] show item description in form grid based on in_list_view
• Recurring docs should not consider Stopped documents and should be scheduled for hourly
• [fix] patch date
• [change-log] added
• [fix] against account in general ledger will show party
• Validation changed for Item Template cannot have Stock
• Update project completion percentage and costing after syncing task
• datetime issue fixed in maintenance schedule
• [fix] Always show Sales invoice in Gross profit report
• Image feild added to Sales Invoice & Purchase Invoice
• [fix] bom client script
• More Fixes in Manage Varients
• Modified Date changed for Item Doctype
• Fixes for Manage Variants
• Fixed Manage Variants Attribute autocomplete appearance.
• Fixes in Manage Variants
• Patch for Item Variants
• more fixes in test records
• fixes in test cases
• test cases added
• Code Fixes in Manage Variants
• Rename Item Variant from Manage Variants feature Added.
• item variants, creation, deleation and update logic added. logic added to copy changes in template to variants
• variants combination generation logic added
• manage variants new doctype created
• Fixed Issues in Project Task
• Change currency exchange rate api to fixer.io
• [fix] Item Variant Attribute autocomplete appearance. Fixes #3488, #3515, #3525
• Delete events via query instead of delete_doc function, to save time
• Show amount in Journal Entry list view
• Fixed lead status not updating on Creation of oppurtunity issue
• Typo fixes in Sales Person
• added recurring print format to sales/purchase invoice and order