Several improvements to capabilities and build.

- cmake fixed, no longer needs numpy headers.
- models can be loaded from an external interepreter.

examples/mliappy/test_pylibs.py

@@ -0,0 +1,12 @@
+import sysconfig, os,ctypes
+
+library = sysconfig.get_config_vars('INSTSONAME')[0]
+
+pylib = ctypes.CDLL(library)
+
+connected = pylib.Py_IsInitialized()
+
+if not connected:
+      print("FAILURE: This interpreter is not compatible with python-driven mliappy.")
+else:
+      print("SUCCESS: This interpreter is compatible with python-driven MLIAPPY")