Add config/data/test files for Montgomery County, JSRT, Shenzhen datasets

bob/ip/binseg/configs/datasets/JSRT/__init__.py

+#!/usr/bin/env python
+# coding=utf-8
+
+def _maker(protocol):
+
+    from ....data.transforms import Resize
+    from ....data.JSRT import dataset as raw
+    from .. import make_dataset as mk
+    return mk(raw.subsets(protocol), [Resize((512,512))])