Fix all Layout/SpaceAfterComma issues and remove from rubocop_todo list

app/models/ahoy/data_source.rb

@@ -10,7 +10,7 @@ module Ahoy
     # chart
     def add(name, collection)
       collections.push data:  collection, name: name
-      collection.each{ |k,v| add_key k }
+      collection.each{ |k, v| add_key k }
     end
 
     def build

app/models/concerns/search_cache.rb

@@ -14,7 +14,7 @@ module SearchCache
 
   def searchable_values_sql
     searchable_values
-      .select{ |k,_| k.present? }
+      .select{ |k, _| k.present? }
       .collect{ |value, weight| set_tsvector(value, weight) }
       .join(" || ")
   end

app/models/concerns/taggable.rb

@@ -9,7 +9,7 @@ module Taggable
   def tag_list_with_limit(limit = nil)
     return tags if limit.blank?
 
-    tags.sort{|a,b| b.taggings_count <=> a.taggings_count}[0, limit]
+    tags.sort{|a, b| b.taggings_count <=> a.taggings_count}[0, limit]
   end
 
   def tags_count_out_of_limit(limit = nil)

app/models/spending_proposal.rb

@@ -44,7 +44,7 @@ class SpendingProposal < ActiveRecord::Base
   end
 
   def self.filter_params(params)
-    params.select{|x,_| %w{geozone_id administrator_id tag_name valuator_id}.include? x.to_s }
+    params.select{|x, _| %w{geozone_id administrator_id tag_name valuator_id}.include? x.to_s }
   end
 
   def self.scoped_filter(params, current_filter)

app/models/user.rb

@@ -74,7 +74,7 @@ class User < ActiveRecord::Base
       username:  auth.info.name || auth.uid,
       email: oauth_email,
       oauth_email: oauth_email,
-      password: Devise.friendly_token[0,20],
+      password: Devise.friendly_token[0, 20],
       terms_of_service: '1',
       confirmed_at: oauth_email_confirmed ? DateTime.current : nil
     )