update class name

Author: kameyer226

wright_plans/_callbacks.py

@@ -4,7 +4,7 @@
 # import other modules needed for the callbacks.  Examples include:  WrightTools, time,
 # yaqc/yaqd, bluesky-queueserver
 
-class wp_callbacks(CallbackBase):
+class WpCallBacks(CallbackBase):
     def start(self, doc):
         # do something at start if needed
         pass