Merge branch sigeya:mt_comment_hack into jekyll:shigeya-mt_comment_hack

Merges #66. Closes #66

docs/mt.md

@@ -15,9 +15,25 @@ $ ruby -rubygems -e 'require "jekyll-import";
       "dbname"   => "name",
       "user"     => "myuser",
       "password" => "mypassword",
-      "host"     => "myhost"
+      "host"     => "myhost",
+      "comments"     => true
     })'
 {% endhighlight %}
 
+Posts will be generated and placed in `_posts` directory.
+
 The only required fields are `dbname` and `user`. `password` defaults to `""`
-and `host` defaults to `"localhost"`.
+and `host` defaults to `"localhost"`.
+
+`comments`, which defaults to false, control the generation of
+comment. If `comments` set to true, posts will be generated and placed
+in `_comments` directory.
+
+
+All of the posts and comments will include `post_id` in YAML front
+matter to link a post and its comments.
+
+To include imported comments as part of a post, use the yet to merge
+[fork of mt-static-comments](https://github.com/shigeya/jekyll-static-comments/tree/mt_static_comments)
+to include statically generate comments in your post. Fork and provide
+feedback if necessary.