* Add dashboard on subscriber screen
* Add Subscription and Subscription Plan to Account Dashboard
* Fetch customer name while creating subscriber
* [fix] add section for Subscription Period
* minor fixes
* optimization
* Merge Land Unit with the Location doctype
* Fix patch
* [minor] modification to Location structure
- Create a group node "All Land Units" and place all the land units
under it
- Remove "Linked Analysis" from location
* 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
* cost center number field when creating new
added field in the tree's dialog, necessary changes in the autoname function
* rename function's name appropriately
* 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
