Import/export management for the Company app

- Company
- SupplierPart
- SupplierPriceBreak

InvenTree/part/admin.py

@@ -1,4 +1,8 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
 from django.contrib import admin
+
 from import_export.admin import ImportExportModelAdmin
 from import_export.resources import ModelResource
 from import_export.fields import Field