Added support for Generic Tags.  Tags can be applied to Node, Site, Slice, Sliver.  Adjusted relation_name for SliceTags to not conflict with generic tag.
diff --git a/planetstack/core/models/node.py b/planetstack/core/models/node.py
index fcc3a6a..0781609 100644
--- a/planetstack/core/models/node.py
+++ b/planetstack/core/models/node.py
@@ -3,6 +3,8 @@
 from core.models import PlCoreBase
 from core.models import Site
 from core.models import Deployment
+from core.models import Tag
+from django.contrib.contenttypes import generic
 
 # Create your models here.
 
@@ -10,5 +12,6 @@
     name = models.CharField(max_length=200, unique=True, help_text="Name of the Node")
     site  = models.ForeignKey(Site, related_name='nodes')
     deployment = models.ForeignKey(Deployment, related_name='nodes')
+    tags = generic.GenericRelation(Tag)
 
     def __unicode__(self):  return u'%s' % (self.name)