Introduces rubocop-rspec

Also regenerating the config. Most stuff in there didn't really make sense.
Time to go through .rubocop_todo.yml people :-)

.rubocop.yml

@@ -1,41 +1,17 @@
-# Inherit style from another configuration
+require: rubocop-rspec
+
 inherit_from: .rubocop_todo.yml
 
-# Apply rule to all cops
 AllCops:
-  Include:
-    - '**/Rakefile'
-    - '**/config.ru'
-  Exclude:
-    - 'db/schema.rb'
-    - 'vendor/bundle/**/*'
-    - 'bundle/**/*'
-    - 'config/**/*'
-    - 'bin/*'
-  TargetRubyVersion: 2.4
+  UseCache: true
+  CacheRootDirectory: tmp/rubocop_cache_rails_dir
+  MaxFilesInCache: 4000
 
-#################### Metrics ###############################
+#################### Style ###########################
 
-# Start with cops for Ruby >= 2.3 disabled
-Style/NumericPredicate:
-  Enabled: false
+##################### Metrics ##################################
+
+##################### Rails ##################################
 
 Rails:
   Enabled: true
-
-# Avoid deep blocks nesting
-Metrics/BlockNesting:
-  Max: 4
-
-# Avoid writing classes that are more than 300 lines
-Metrics/ClassLength:
-  Max: 300
-  Exclude:
-    - 'app/models/conference.rb'
-
-Metrics/BlockLength:
-  Exclude:
-    - 'spec/models/conference_spec.rb'
-    - 'spec/features/ability_spec.rb'
-    - 'spec/models/ability_spec.rb'
-    - 'spec/models/admin_ability_spec.rb'

Gemfile

@@ -238,6 +238,7 @@ group :development do
   gem 'spring-commands-rspec'
   # for static code analisys
   gem 'rubocop', require: false
+  gem 'rubocop-rspec'
   # as database
   gem 'sqlite3'
   # to open mails

Gemfile.lock

@@ -173,10 +173,10 @@ GEM
     errbase (0.1.0)
     erubis (2.7.0)
     execjs (2.7.0)
-    factory_bot (4.11.0)
+    factory_bot (4.11.1)
       activesupport (>= 3.0.0)
-    factory_bot_rails (4.11.0)
-      factory_bot (~> 4.11.0)
+    factory_bot_rails (4.11.1)
+      factory_bot (~> 4.11.1)
       railties (>= 3.0.0)
     faker (1.9.1)
       i18n (>= 0.7)
@@ -235,6 +235,7 @@ GEM
     inversion (1.1.1)
       loggability (~> 0.12)
     iso-639 (0.2.8)
+    jaro_winkler (1.5.1)
     jquery-datatables-rails (3.4.0)
       actionpack (>= 3.1)
       jquery-rails
@@ -338,7 +339,7 @@ GEM
       activerecord (>= 4.2, < 5.3)
       request_store (~> 1.1)
     parallel (1.12.1)
-    parser (2.5.1.0)
+    parser (2.5.1.2)
       ast (~> 2.4.0)
     pdf-core (0.2.5)
     phantomjs (2.1.1.0)
@@ -351,7 +352,7 @@ GEM
       cliver (~> 0.3.1)
       multi_json (~> 1.0)
       websocket-driver (>= 0.2.0)
-    powerpack (0.1.1)
+    powerpack (0.1.2)
     prawn (1.0.0)
       pdf-core (~> 0.2.2)
       ttfunk (~> 1.1.1)
@@ -427,8 +428,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rainbow (2.2.2)
-      rake
+    rainbow (3.0.0)
     rake (12.3.1)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
@@ -480,16 +480,19 @@ GEM
       rspec-mocks (~> 3.6.0)
       rspec-support (~> 3.6.0)
     rspec-support (3.6.0)
-    rubocop (0.55.0)
+    rubocop (0.58.2)
+      jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
-      parser (>= 2.5)
+      parser (>= 2.5, != 2.5.1.1)
       powerpack (~> 0.1)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
+    rubocop-rspec (1.29.1)
+      rubocop (>= 0.58.0)
     ruby-oembed (0.12.0)
     ruby-openid (2.5.0)
-    ruby-progressbar (1.9.0)
+    ruby-progressbar (1.10.0)
     ruby_dep (1.5.0)
     rubyzip (1.2.2)
     safe_yaml (1.0.4)
@@ -557,7 +560,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.5)
-    unicode-display_width (1.3.2)
+    unicode-display_width (1.4.0)
     unicode_utils (1.4.0)
     unobtrusive_flash (3.3.1)
       railties
@@ -681,6 +684,7 @@ DEPENDENCIES
   rspec-activemodel-mocks
   rspec-rails (~> 3.5, >= 3.5.2)
   rubocop
+  rubocop-rspec
   ruby-oembed (~> 0.12.0)
   sass-rails (>= 4.0.2)
   selectize-rails
@@ -705,4 +709,4 @@ RUBY VERSION
    ruby 2.5.0p0
 
 BUNDLED WITH
-   1.16.2
+   1.16.4