[config] Start refactoring by creating separate config class

Add a class that will hold all configuration and argument information
and serve as central repository for this kind of information.

bumblebee/module.py

@@ -1,3 +1,35 @@
+import os
+import pkgutil
+import importlib
+
+import bumblebee.modules
+
+def modules():
+    result = []
+    path = os.path.dirname(bumblebee.modules.__file__)
+    for mod in [ name for _, name, _ in pkgutil.iter_modules([path])]:
+        result.append(ModuleDescription(mod))
+    return result
+
+class ModuleDescription(object):
+    def __init__(self, name):
+        self._name = name
+        self._mod =importlib.import_module("bumblebee.modules.{}".format(name))
+
+    def name(self):
+        return str(self._name)
+
+    def description(self):
+        return getattr(self._mod, "description", self.na)()
+
+    def usage(self):
+        return getattr(self._mod, "usage", self.na)()
+
+    def notes(self):
+        return getattr(self._mod, "notes", self.na)()
+
+    def na(self):
+        return "n/a"
 
 class Module(object):
     def __init__(self, args):