Proforma Bill modified and adding the url in index.html
Merge pull request #124 from divyanshikathuria/dirty

 Proforma Bill modified and adding the url in index.html
Transport shifted from bills to catalog
merge
vehicle
checking indentation
unnecessary constraints commented
files named correctly and other editings done
urls added for class based views
purchase details views and templates
search and other templates
Order marked as active/inactive
Merge pull request #129 from haramrit/dirty

Order marked as active/inactive
ignored settings.py
Bills can be generated according to purchase_order_id
Merge pull request #132 from KamalKaur/dirty

Bills can be generated according to purchase_order_id
Merge pull request #128 from saloni10/dirty

Search remodified
Issue #130
Merge branch 'dirty' of https://github.com/GreatDevelopers/LibreHatti into dirty
Removes semi-colon