[Post: Modify] Add tag to 'GNOME: Desktop files'.
[Page: Modify] Remove unused section in homepage.
[Page: Delete] Remove unused pages.
[Config] Update production url with correct username.
[Post: Delete] Remove sample post.
[Post: Modify] Update category.
[Page: Modify] Modify homepage context.
[Rakefile] Improve rakefile let it support chinese in title.

Use hz2py convert chinese to pinyin then put in title.
[Page: New] Vim note.
[Config] Update disqus id and google analytics id.
[Page: Modify] Update homepage title.