* Update transaction.js
* setup barcode scan
stock entry controller not inherited from transaction.js, need to call setup barcode scan from transaction.js
* fix bug of item_code change always reset qty to 0
when calling frappe.model.set_value(dt,dn,'item_code',xxx), even qty is set, system always reset qty to 0.
* Update transaction.js
* Update transaction.js
* Update transaction.js
* Update transaction.js
* Update transaction.js
* Update transaction.js
* clean up barcode logic for transactions
* call scan_barcode method for stock entry
* separate out logic for searching serial, batch or barcode number
* added scan barcode field in transactions doctype
* search barcode-serial-batch sequence, code rectify
* hide all barcode related field if disabled from settings
* remove print statement
* Update stock_entry.py
* Update point_of_sale.py
* Update point_of_sale.py
Add custom field(Display Items In Stock) to POS Profile Doctype of type Check.
* New field " Display Items in Stock" added
* Update point_of_sale.py
* Update point_of_sale.py
ORM used instead of SQL
used Bin to find actual quantity balances.
* Update point_of_sale.py
* Update point_of_sale.py
* Update point_of_sale.py
* Update point_of_sale.py
* Update point_of_sale.py
* fix checking of customer_group & territory of customer in loyalty program
* fetch and set applicable loyalty program
- in customer.py if found 1 program, set it or show a message to set it manually
- in sales invoice, if found 1 program for selected customer with no program set, set it else open a dialog with applicable options
* removed disabled field, added from_date & to_date
* loyalty program section made collapsible, added redeem check in it
* setting loyalty program improvised, manual selection if multiple found
* get_query added, amount calculation updated
* args passed rectified for expiry_date
* get loyalty_points logic improv, redemption_details logic added
* improv based on from/to date and other rectification
* code rectified based on different scenarios
- is_return, cancel, make loyalty points entry improv
* First Cut for the Loyalty Program
* finished the collection part
* redmeption for the loyalty point
update the loyalty point entry in the FIFO style
make the accounting entry knocking the debtors account against the expense account selected in the loyalty program
update the outstanding balance in the client side
* completed for the desk viewe
* wrap up for the desk and shopping cart
* pos
* fix and test the travis
