remove unused files
diff --git a/plstackapi/core/api/subnets.py b/plstackapi/core/api/subnets.py
deleted file mode 100644
index e7e85dd..0000000
--- a/plstackapi/core/api/subnets.py
+++ /dev/null
@@ -1,61 +0,0 @@
-import commands
-from types import StringTypes
-from django.contrib.auth import authenticate
-from plstackapi.openstack.manager import OpenStackManager
-from plstackapi.core.models import Subnet
-from plstackapi.core.api.slices import _get_slices
-
-
-def _get_subnets(filter):
-    if isinstance(filter, StringTypes) and filter.isdigit():
-        filter = int(filter)
-    if isinstance(filter, int):
-        subnets = Subnet.objects.filter(id=filter)
-    elif isinstance(filter, StringTypes):
-        # the name is the subnet's slice's name
-        slices = _get_slices(filter)
-        slice = None
-        if slices: slice=slices[0]
-        subnets = Subnet.objects.filter(slice=slice)
-    elif isinstance(filter, dict):
-        subnets = Subnet.objects.filter(**filter)
-    else:
-        subnets = []
-    return subnets
-
-def add_subnet(auth, fields):
-    user = authenticate(username=auth.get('username'),
-                        password=auth.get('password'))
-    
-    slices = _get_slices(fields.get('slice')) 
-    if slices: fields['slice'] = slices[0]     
-    subnet = Subnet(**fields)
-    auth['tenant'] = subnet.slice.name
-    subnet.os_manager = OpenStackManager(auth=auth, caller = user)
-    subnet.save()
-    return subnet
-
-def update_subnet(auth, subnet, **fields):
-    return  
-
-def delete_subnet(auth, filter={}):
-    user = authenticate(username=auth.get('username'),
-                        password=auth.get('password'))
-    subnets = Subnet.objects.filter(**filter)
-    for subnet in subnets:
-        auth['tenant'] = subnet.slice.name
-        subnet.os_manager = OpenStackManager(auth=auth, caller = user)
-        subnet.delete()
-    return 1
-
-def get_subnets(auth, filter={}):
-    user = authenticate(username=auth.get('username'),
-                        password=auth.get('password'))
-    if 'slice' in filter:
-        slice = _get_slice(filter.get('slice'))
-        if slice: filter['slice'] = slice
-    subnets = Subnet.objects.filter(**filter)
-    return subnets             
-        
-
-    
diff --git a/plstackapi/core/models/subnet.py b/plstackapi/core/models/subnet.py
deleted file mode 100644
index be8c938..0000000
--- a/plstackapi/core/models/subnet.py
+++ /dev/null
@@ -1,25 +0,0 @@
-import os
-import commands    
-from django.db import models
-from plstackapi.core.models import PlCoreBase
-from plstackapi.core.models import Slice
-
-# Create your models here.
-
-class Subnet(PlCoreBase):
-    subnet_id = models.CharField(max_length=256, unique=True)
-    cidr = models.CharField(max_length=20)
-    ip_version = models.IntegerField()
-    start = models.IPAddressField()
-    end = models.IPAddressField()
-    slice = models.ForeignKey(Slice, related_name='subnet')
-
-    def __unicode__(self):  return u'%s' % (self.slice.name)
-
-    def save(self, *args, **kwds):
-        self.os_manager.save_subnet(self)
-        super(Subnet, self).save(*args, **kwds)
-
-    def delete(self, *args, **kwds):
-        self.os_manager.delete_subnet(self)
-        super(Subnet, self).delete(*args, **kwds)
diff --git a/plstackapi/core/views/subnets.py b/plstackapi/core/views/subnets.py
deleted file mode 100644
index d96d048..0000000
--- a/plstackapi/core/views/subnets.py
+++ /dev/null
@@ -1,66 +0,0 @@
-from django.http import Http404
-from rest_framework.views import APIView
-from rest_framework.response import Response
-from rest_framework import status
-
-from plstackapi.core.api.subnets import add_subnet, delete_subnet, get_subnets, update_subnet
-from plstackapi.core.serializers import SubnetSerializer
-from plstackapi.util.request import parse_request
-
-
-class SubnetListCreate(APIView):
-    """ 
-    List all subnets or create a new subnet.
-    """
-
-    def post(self, request, format = None):
-        data = parse_request(request.DATA)  
-        if 'auth' not in data:
-            return Response(status=status.HTTP_400_BAD_REQUEST)        
-        elif 'subnet' in data:
-            subnet = add_subnet(data['auth'], data['subnet'])
-            serializer = SubnetSerializer(subnet)
-            return Response(serializer.data, status=status.HTTP_201_CREATED)
-        else:
-            subnets = get_subnets(data['auth'])
-            serializer = SubnetSerializer(subnets, many=True)
-            return Response(serializer.data)
-        
-            
-class SubnetRetrieveUpdateDestroy(APIView):
-    """
-    Retrieve, update or delete a subnet 
-    """
-
-    def post(self, request, pk, format=None):
-        """Retrieve a subnet"""
-        data = parse_request(request.DATA)
-        if 'auth' not in data:
-            return Response(status=status.HTTP_400_BAD_REQUEST)
-        subnets = get_subnets(data['auth'], {'id': pk})
-        if not subnets:
-            return Response(status=status.HTTP_404_NOT_FOUND)
-        serializer = SubnetSerializer(subnets[0])
-        return Response(serializer.data)                  
-
-    def put(self, request, pk, format=None):
-        """update a subnet""" 
-        data = parse_request(request.DATA)
-        if 'auth' not in data:
-            return Response(status=status.HTTP_400_BAD_REQUEST)
-        elif 'subnet' not in data:
-            return Response(status=status.HTTP_400_BAD_REQUEST)
-
-        subnet = update_subnet(pk, data['subnet'])
-        serializer = SubnetSerializer(subnet)
-        return Response(serializer.data) 
-
-    def delete(self, request, pk, format=None):
-        data = parse_request(request.DATA) 
-        if 'auth' not in data:
-            return Response(status=status.HTTP_400_BAD_REQUEST)
-        delete_subnet(data['auth'], {'id': pk})
-        return Response(status=status.HTTP_204_NO_CONTENT) 
-            
-            
-