Added stock status field

InvenTree/part/admin.py

@@ -4,7 +4,7 @@ from .models import PartCategory, Part
 
 class PartAdmin(admin.ModelAdmin):
     
-    list_display = ('name', 'IPN', 'quantity', 'category')
+    list_display = ('name', 'IPN', 'stock', 'category')
 
 # Custom form for PartCategory
 class PartCategoryAdmin(admin.ModelAdmin):

InvenTree/part/models.py

@@ -45,7 +45,7 @@ class Part(models.Model):
         return self.stockitem_set.all()
         
     @property
-    def quantity(self):
+    def stock(self):
         """ Return the total stock quantity for this part.
         Part may be stored in multiple locations
         """