added new fields to Site model (hosts_nodes, hosts_users)
diff --git a/xos/core/admin.py b/xos/core/admin.py
index a83ec7d..919952a 100644
--- a/xos/core/admin.py
+++ b/xos/core/admin.py
@@ -916,7 +916,7 @@
 
 class SiteAdmin(XOSBaseAdmin):
     #fieldList = ['backend_status_text', 'name', 'site_url', 'enabled', 'is_public', 'login_base', 'accountLink','location']
-    fieldList = ['backend_status_text', 'name', 'site_url', 'enabled', 'is_public', 'login_base', 'location']
+    fieldList = ['backend_status_text', 'name', 'site_url', 'enabled', 'login_base', 'location', 'is_public', 'hosts_nodes', 'hosts_users']
     fieldsets = [
         (None, {'fields': fieldList, 'classes':['suit-tab suit-tab-general']}),
         #('Deployment Networks', {'fields': ['deployments'], 'classes':['suit-tab suit-tab-deployments']}),
@@ -925,7 +925,7 @@
     readonly_fields = ['backend_status_text']
 
     #user_readonly_fields = ['name', 'deployments','site_url', 'enabled', 'is_public', 'login_base', 'accountLink']
-    user_readonly_fields = ['name', 'deployments','site_url', 'enabled', 'is_public', 'login_base']
+    user_readonly_fields = ['name', 'deployments','site_url', 'enabled', 'is_public', 'login_base', 'hosts_nodes', 'hosts_users']
 
     list_display = ('backend_status_icon', 'name', 'login_base','site_url', 'enabled')
     list_display_links = ('backend_status_icon', 'name', )
diff --git a/xos/core/models/site.py b/xos/core/models/site.py
index 1e8c7ca..e3c275f 100644
--- a/xos/core/models/site.py
+++ b/xos/core/models/site.py
@@ -99,6 +99,8 @@
     name = StrippedCharField(max_length=200, help_text="Name for this Site")
     site_url = models.URLField(null=True, blank=True, max_length=512, help_text="Site's Home URL Page")
     enabled = models.BooleanField(default=True, help_text="Status for this Site")
+    hosts_nodes = models.BooleanField(default=True, help_text="Indicates whether or not the site host nodes")
+    hosts_users = models.BooleanField(default=True, help_text="Indicates whether or not the site manages user accounts")
     location = GeopositionField()
     longitude = models.FloatField(null=True, blank=True)
     latitude = models.FloatField(null=True, blank=True)