Add some API views for receiving, and vendor autocomplete

lots more to do yet, for those...

tailbone/api/core.py

@@ -63,3 +63,8 @@ class APIView(View):
     """
     Base class for all API views.
     """
+
+    def pretty_datetime(self, dt):
+        if not dt:
+            return ""
+        return dt.strftime('%Y-%m-%d @ %I:%M %p')