using rm_rf to avoid confirmations on delete

lib/homesick.rb

@@ -234,7 +234,7 @@ class Homesick < Thor
 
     if shell.yes?("This will destroy your castle irreversible! Are you sure?")
       unlink(name)
-      rm_r castle_dir(name)
+      rm_rf castle_dir(name)
     end
 
   end

lib/homesick/actions.rb

@@ -105,6 +105,7 @@ class Homesick
 
     def rm_rf(dir)
       say_status "rm -rf #{dir}", '', :green unless options[:quiet]
+      system "rm -rf #{dir}"
     end
 
     def rm_link(target)