issue #504: bump robocop to v0.91.0 and update cop names to match

Gemfile

@@ -34,6 +34,6 @@ group :development do
   gem 'netrc', require: false
   gem 'octokit', require: false
   gem 'pry-rescue'
-  gem 'rubocop', '~> 0.49.0' # TODO: should match Gemfile HoundCi
+  gem 'rubocop', '0.91.0'
   gem 'yard', require: false
 end

vendor/hound/config/style_guides/ruby.yml

@@ -60,7 +60,7 @@ Naming/PredicateName:
   - is_
   - has_
   - have_
-  NamePrefixBlacklist:
+  ForbiddenPrefixes:
     - is_
   Exclude:
   - spec/**/*
@@ -118,23 +118,23 @@ Style/TrailingCommaInArguments:
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-array-commas'
   Enabled: false
   EnforcedStyleForMultiline: no_comma
-  SupportedStyles:
+  SupportedStylesForMultiline:
   - comma
   - consistent_comma
   - no_comma
 Style/TrailingCommaInArrayLiteral:
   Description: 'Checks for trailing comma in array literals.'
   Enabled: false
   EnforcedStyleForMultiline: no_comma
-  SupportedStyles:
+  SupportedStylesForMultiline:
   - comma
   - consistent_comma
   - no_comma
 Style/TrailingCommaInHashLiteral:
   Description: 'Checks for trailing comma in hash literals.'
   Enabled: false
   EnforcedStyleForMultiline: no_comma
-  SupportedStyles:
+  SupportedStylesForMultiline:
   - comma
   - consistent_comma
   - no_comma
@@ -237,7 +237,7 @@ Style/WhenThen:
 Lint/EachWithObjectArgument:
   Description: Check for immutable argument given to each_with_object.
   Enabled: true
-Lint/HandleExceptions:
+Lint/SuppressedException:
   Description: Don't suppress exception.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#dont-hide-exceptions
   Enabled: false