[core] restructure to allow PIP packaging

OK - so I have to admit I *hate* the fact that PIP seems to require a
subdirectory named like the library.

But since the PIP package is something really nifty to have (thanks to
@tony again!!!), I updated the codebase to hopefully conform with what
PIP expects. Testruns so far look promising...

tests/core/test_config.py

@@ -62,7 +62,7 @@ class config(unittest.TestCase):
             pyname = "{}.py".format(module)
             base = os.path.abspath(
                 os.path.join(
-                    os.path.dirname(os.path.realpath(__file__)), "..", "..", "modules"
+                    os.path.dirname(os.path.realpath(__file__)), "..", "..", "bumblebee_status", "modules"
                 )
             )
             self.assertTrue(