Django-aps-purchasing

- Added QuotationItemInline to QuotationAdmin
- Fixed query for Prices on the Report view
- Showing IPN in QuotationItemAdmin
- made query for manufacturer case insensitive on quotation upload

- added BOM search in ReportView

- added manufacturer to the quotation item

- fixed urls

- Added QuotationUploadView
- Added ReportView
- Added datatables