[dns|linode] move linode dns to its own shared area (namespacing should probably be corrected)

lib/fog/linode.rb

@@ -4,7 +4,7 @@ module Fog
   module Linode
     extend Fog::Provider
     service(:compute, 'compute/linode')
-    service(:dns,     'dns/linode')
+    service(:dns,     'linode/dns')
   end
 end
 

lib/fog/linode/dns.rb

@@ -5,13 +5,13 @@ module Fog
       requires :linode_api_key
       recognizes :port, :scheme, :persistent
 
-      model_path 'fog/dns/models/linode'
+      model_path 'fog/linode/models/dns'
       model       :record
       collection  :records
       model       :zone
       collection  :zones
 
-      request_path 'fog/dns/requests/linode'
+      request_path 'fog/linode/requests/dns'
       request :domain_create
       request :domain_delete
       request :domain_list

lib/fog/linode/models/dns/records.rb

@@ -1,5 +1,5 @@
 require 'fog/core/collection'
-require 'fog/dns/models/linode/record'
+require 'fog/linode/models/dns/record'
 
 module Fog
   module DNS

lib/fog/linode/models/dns/zone.rb

@@ -1,5 +1,5 @@
 require 'fog/core/model'
-require 'fog/dns/models/linode/records'
+require 'fog/linode/models/dns/records'
 
 module Fog
   module DNS

lib/fog/linode/models/dns/zones.rb

@@ -1,5 +1,5 @@
 require 'fog/core/collection'
-require 'fog/dns/models/linode/zone'
+require 'fog/linode/models/dns/zone'
 
 module Fog
   module DNS