replace hound-tools with newer RuboCop

.hound.yml

@@ -1,6 +1,6 @@
 ruby:
   enabled: true
-  config_file: .rubocop_merged_for_hound.yml
+  config_file: .rubocop.yml
 
 coffee_script:
   enabled: true

.rubocop.yml

@@ -1,8 +1 @@
-inherit_from:
-  - .hound/defaults.yml
-  - .hound/overrides.yml
-  - .rubocop_todo.yml
-
-# Rails cops (so we don't need to run with -R option)
-AllCops:
-  RunRailsCops: true
+inherit_from: .rubocop_todo.yml

.rubocop_todo.yml

@@ -1,11 +1,37 @@
-# This configuration was generated by `rubocop --auto-gen-config`
-# on 2014-12-09 05:16:56 +0100 using RuboCop version 0.25.0.
+# This configuration was generated by
+# `rubocop --auto-gen-config`
+# on 2016-08-01 22:19:42 +0200 using RuboCop version 0.42.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 12
-# Configuration parameters: AllowURI.
+# Offense count: 1
+Metrics/AbcSize:
+  Max: 19
+
+# Offense count: 1
+Metrics/CyclomaticComplexity:
+  Max: 7
+
+# Offense count: 41
+# Configuration parameters: AllowHeredoc, AllowURI, URISchemes.
+# URISchemes: http, https
 Metrics/LineLength:
   Max: 163
+
+# Offense count: 5
+# Configuration parameters: CountComments.
+Metrics/MethodLength:
+  Max: 16
+
+# Offense count: 6
+Style/Documentation:
+  Exclude:
+    - 'spec/**/*'
+    - 'test/**/*'
+    - 'lib/guard/livereload.rb'
+    - 'lib/guard/livereload/reactor.rb'
+    - 'lib/guard/livereload/snippet.rb'
+    - 'lib/guard/livereload/websocket.rb'
+    - 'lib/guard/livereload/websocket/dispatcher.rb'