Fix accessor lint issues

Allow some short param names

Author: anakinj

.rubocop.yml

@@ -1,5 +1,3 @@
-inherit_from: .rubocop_todo.yml
-
 AllCops:
   TargetRubyVersion: 2.5
   NewCops: enable
@@ -17,3 +15,7 @@ Metrics/BlockLength:
 Style/PercentLiteralDelimiters:
   PreferredDelimiters:
     "%w": "[]"
+
+Naming/MethodParameterName:
+  AllowedNames: ["iv", "b", "j", "a", "r", "t"]
+