Release v5.1.3

• Added change log
• Update item_attribute.py
• [fix] quotation list #3492
• Autocomplete issues fixed in Manage Variants
• [fix][patch] delete item variant attributes if no variants exists against that item
• [fix] Hide zero balance rows in batch-wise balance history report
• [fix] [minor] fix customer_name, supplier_name labels
• Auto-Capitalize Item Attribute Abbreation, Prevent attribute to be deleated if Variant exists
• #3402
• [minor] remove the term 'Masters' from setup, it is confusing and not used anywhere, add Company to Accounts tab
• [fix] remove user permission if user id is unset #3447
• [fix] item image in mozilla #3412 #3413