module: nicer logger name

Use Module.name rather than Module.__name__ to name the logger for
slightly more readable log output.
diff --git a/devlib/module/__init__.py b/devlib/module/__init__.py
index 5cf0a43..38a2315 100644
--- a/devlib/module/__init__.py
+++ b/devlib/module/__init__.py
@@ -56,7 +56,7 @@
 
     def __init__(self, target):
         self.target = target
-        self.logger = logging.getLogger(self.__class__.__name__)
+        self.logger = logging.getLogger(self.name)
 
 
 class HardRestModule(Module):  # pylint: disable=R0921