Making sure errors don't halt the import.

Wrapped file operations in a begin/rescue block.

lib/jekyll/migrators/wordpressdotcom.rb

@@ -52,12 +52,19 @@ module Jekyll
           'meta'   => metas
         }
 
+        begin
           FileUtils.mkdir_p "_#{type}s"
           File.open("_#{type}s/#{name}", "w") do |f|
             f.puts header.to_yaml
             f.puts '---'
             f.puts item.at('content:encoded').inner_text
           end
+        rescue
+          puts "Couldn't import post!"
+          puts "Title: #{title}"
+          puts "Name/Slug: #{name}\n"
+          next
+        end
 
         import_count[type] += 1
       end