migrate vrouter service from XOS repo:
diff --git a/xos/admin.py b/xos/admin.py
new file mode 100644
index 0000000..4bd99b6
--- /dev/null
+++ b/xos/admin.py
@@ -0,0 +1,114 @@
+from django.contrib import admin
+
+from services.vrouter.models import *
+from django import forms
+from django.utils.safestring import mark_safe
+from django.contrib.auth.admin import UserAdmin
+from django.contrib.admin.widgets import FilteredSelectMultiple
+from django.contrib.auth.forms import ReadOnlyPasswordHashField
+from django.contrib.auth.signals import user_logged_in
+from django.utils import timezone
+from django.contrib.contenttypes import generic
+from suit.widgets import LinkedSelect
+from core.models import AddressPool
+from core.admin import ServiceAppAdmin,SliceInline,ServiceAttrAsTabInline, ReadOnlyAwareAdmin, XOSTabularInline, ServicePrivilegeInline, AddressPoolInline
+from core.middleware import get_request
+
+from functools import update_wrapper
+from django.contrib.admin.views.main import ChangeList
+from django.core.urlresolvers import reverse
+from django.contrib.admin.utils import quote
+
+class VRouterServiceForm(forms.ModelForm):
+    def __init__(self,*args,**kwargs):
+        super (VRouterServiceForm,self ).__init__(*args,**kwargs)
+
+    def save(self, commit=True):
+        return super(VRouterServiceForm, self).save(commit=commit)
+
+    class Meta:
+        model = VRouterService
+
+class VRouterServiceAdmin(ReadOnlyAwareAdmin):
+    model = VRouterService
+    verbose_name = "vRouter Service"
+    verbose_name_plural = "vRouter Service"
+    list_display = ("backend_status_icon", "name", "enabled")
+    list_display_links = ('backend_status_icon', 'name', )
+    fieldsets = [(None, {'fields': ['backend_status_text', 'name','enabled','versionNumber', 'description', "view_url", "icon_url", ],
+                         'classes':['suit-tab suit-tab-general']})]
+    readonly_fields = ('backend_status_text', )
+    inlines = [SliceInline,ServiceAttrAsTabInline,ServicePrivilegeInline,AddressPoolInline]
+    form = VRouterServiceForm
+
+    extracontext_registered_admins = True
+
+    user_readonly_fields = ["name", "enabled", "versionNumber", "description"]
+
+    suit_form_tabs =(('general', 'vRouter Service Details'),
+        ('administration', 'Administration'),
+        ('addresspools', 'Addresses'),
+        #('tools', 'Tools'),
+        ('slices','Slices'),
+        ('serviceattrs','Additional Attributes'),
+        ('serviceprivileges','Privileges'),
+    )
+
+    suit_form_includes = (('vrouteradmin.html', 'top', 'administration'),
+                           ) #('hpctools.html', 'top', 'tools') )
+
+    def queryset(self, request):
+        return VRouterService.get_service_objects_by_user(request.user)
+
+class VRouterTenantForm(forms.ModelForm):
+    public_ip = forms.CharField(required=True)
+    public_mac = forms.CharField(required=True)
+    gateway_ip = forms.CharField(required=False)
+    gateway_mac = forms.CharField(required=False)
+    cidr = forms.CharField(required=False)
+    address_pool = forms.ModelChoiceField(queryset=AddressPool.objects.all(),required=False)
+
+    def __init__(self,*args,**kwargs):
+        super (VRouterTenantForm,self ).__init__(*args,**kwargs)
+        self.fields['kind'].widget.attrs['readonly'] = True
+        self.fields['provider_service'].queryset = VRouterService.get_service_objects().all()
+        if self.instance:
+            # fields for the attributes
+            self.fields['address_pool'].initial = self.instance.address_pool
+            self.fields['public_ip'].initial = self.instance.public_ip
+            self.fields['public_mac'].initial = self.instance.public_mac
+            self.fields['gateway_ip'].initial = self.instance.gateway_ip
+            self.fields['gateway_mac'].initial = self.instance.gateway_mac
+            self.fields['cidr'].initial = self.instance.cidr
+        if (not self.instance) or (not self.instance.pk):
+            # default fields for an 'add' form
+            self.fields['kind'].initial = VROUTER_KIND
+            if VRouterService.get_service_objects().exists():
+               self.fields["provider_service"].initial = VRouterService.get_service_objects().all()[0]
+
+    def save(self, commit=True):
+        self.instance.public_ip = self.cleaned_data.get("public_ip")
+        self.instance.public_mac = self.cleaned_data.get("public_mac")
+        self.instance.address_pool = self.cleaned_data.get("address_pool")
+        return super(VRouterTenantForm, self).save(commit=commit)
+
+    class Meta:
+        model = VRouterTenant
+
+class VRouterTenantAdmin(ReadOnlyAwareAdmin):
+    list_display = ('backend_status_icon', 'id', 'subscriber_tenant', 'public_ip' )
+    list_display_links = ('backend_status_icon', 'id')
+    fieldsets = [ (None, {'fields': ['backend_status_text', 'kind', 'provider_service', 'subscriber_tenant', 'subscriber_service',
+                                     'address_pool', 'public_ip', 'public_mac', 'gateway_ip', 'gateway_mac', 'cidr'],
+                          'classes':['suit-tab suit-tab-general']})]
+    readonly_fields = ('backend_status_text', 'service_specific_attribute', 'gateway_ip', 'gateway_mac', 'cidr')
+    form = VRouterTenantForm
+
+    suit_form_tabs = (('general','Details'),)
+
+    def queryset(self, request):
+        return VRouterTenant.get_tenant_objects_by_user(request.user)
+
+admin.site.register(VRouterService, VRouterServiceAdmin)
+admin.site.register(VRouterTenant, VRouterTenantAdmin)
+