* fix: switching of mode of payments
* feat: transaction limit for mpesa integration
* feat: resend payment request if one fails
* feat: make new request only for failed ones
* fix: invalid amount for mpesa request
* fix: payment successful message not shown
* fix: url and business shortcode for live env
* fix: duplicate items validation for pos invoices
* fix: pos closing entry queued status
* fix: peroid end date for amended pos closing
* fix: point of sale search
* fix: pos fetches expired serial nos
* fix: pos doesn't refresh on route change
* fix: opening balances not set in opening entry
* fix: remove debug statement
* fix: invalid query if no serial no is reserved by pos invoice
* chore: make new order btn primary
* chore: filter warehouse by company
* chore: add shortcuts for new order and email
* fix: cannot fetch serial no if no batch control
* chore: add shortcuts for menu items
* feat: standard keyboard shortcuts for pos page
* feat: display only items that are in stock
* fix: empty point of sale page if opening entry dialog is closed
* feat: conversion factor in pos item details
* fix: show all invalid mode of payments
* chore: show all items if allow negative stock is checked
* fix: -ve amount set when changing mode of payment
* fix: pos closing validations
* fix: test
* fix: non expired serial no fetching query
* fix: cannot dismiss pos opening creation dialog
* fix: transalation strings
* fix: msgprint to throw
* chore: use as_list in frappe.throw
* chore: clean up pos invoice.js & .py
* fix: codacy
* fix: transalation syntax
* fix: codacy
* fix: set_missing_values called twice from pos page
* fix: mode selector with double spaces
* fix: do not allow tables in pos additional fields
* fix: pos is not defined
* feat: set mode of payments for returns
* fix: remove naming series from pos profile
* fix: error message
* fix: minor bugs
* chore: re-arrange pos closing entry detail fields
* fix: sider & frappe linter
* fix: more translation strings
* fix: travis
* fix: more translation strings
* fix: sider
* fix: travis
* fix: unexpected end of string
* fix: travis
Co-authored-by: Nabin Hait <nabinhait@gmail.com>