Added ec2 observer, WIP
diff --git a/planetstack/ec2_observer/deleters/site_deleter.py b/planetstack/ec2_observer/deleters/site_deleter.py
new file mode 100644
index 0000000..c97dee1
--- /dev/null
+++ b/planetstack/ec2_observer/deleters/site_deleter.py
@@ -0,0 +1,14 @@
+from core.models import Site, SiteDeployments
+from observer.deleter import Deleter
+from observer.deleters.site_deployment_deleter import SiteDeploymentDeleter
+
+class SiteDeleter(Deleter):
+    model='Site'
+    
+    def call(self, pk):
+        site = Site.objects.get(pk=pk)
+        site_deployments = SiteDeployments.objects.filter(site=site)
+        site_deployment_deleter = SiteDeploymentDeleter()
+        for site_deployment in site_deployments:
+            site_deployment_deleter(site_deployment.id)
+        site.delete()