fix config (#20)

closes #19

this skill was using the config object like in old mycroft, where `get` is a class method and accepts a list of config paths  (not part of ovos-config)

__init__.py

@@ -50,15 +50,15 @@ def initialize(self):
 
     @property
     def wake_word(self):
-        default = Configuration.get().get('listener', {}).get('wake_word')
+        default = Configuration().get('listener', {}).get('wake_word')
         # with multiple wakewords we can't be 100% sure what the correct name is
         # a device might have multiple names
         # - if the wake_word is set in listener consider that the main wakeword
         # - if the wake_word in listener config does not have a ww config ignore it
         # - else use the first hotword that listens and is set to self.lang, assume config is ordered by priority
         # - else use the first hotword that listens, assume config is ordered by priority
 
-        hotwords = Configuration.get().get('hotwords', {})
+        hotwords = Configuration().get('hotwords', {})
         if default in hotwords:
             return default