Fix the yaml load deprecation warning

amonit/config.py

@@ -32,5 +32,5 @@ def load():
     loaded = [{}]
     for filename in config_path:
         with open(filename, "r") as handle:
-            loaded.append(expand(yaml.load(handle)))
+            loaded.append(expand(yaml.load(handle, Loader=yaml.FullLoader)))
     return util.merge(*loaded)