Decomposed models.py into models/ with individual files per topic.  Added new admin views, consolidated/reverted views back to Generics, adjusted modeling of Site<->DeploymentNetwork to remove SiteDeploymentNetwork object
diff --git a/plstackapi/core/models/role.py b/plstackapi/core/models/role.py
new file mode 100644
index 0000000..7b3268c
--- /dev/null
+++ b/plstackapi/core/models/role.py
@@ -0,0 +1,20 @@
+import os
+import datetime
+from django.db import models
+from plstackapi.core.models import PlCoreBase
+
+# Create your models here.
+
+class Role(PlCoreBase):
+
+    ROLE_CHOICES = (('admin', 'Admin'), ('pi', 'Principle Investigator'), ('user','User'))
+    role_id = models.CharField(max_length=256, unique=True)
+    role_type = models.CharField(max_length=80, unique=True, choices=ROLE_CHOICES)
+
+    def __unicode__(self):  return u'%s' % (self.role_type)
+
+    def save(self):
+        if not self.id:
+            self.created = datetime.date.today()
+        self.updated = datetime.datetime.today()
+        super(Role, self).save()