sanitized code
rebranded to SFEI Systems (logos, navbar, titles)
issue #18, slight improvements on 40x pages
more improvements on 40x pages
40x pages will now return specific code

When displaying 40x pages, the server will return specific status codes
instead of 200 OK.
completed issue #19
fixed issue #22
improved index page and fetcher

blog thumbnails will be loaded by AJAX.
specify the tags in section.blogArchive.auto-fetch, and articles with
those tags will be loaded.
Merge pull request #21 from akasfei/3.3.2-SFEISYS

3.3.2 SFEI Systems

* Rebranded to SFEI Systems
* Improved 40x pages
* Tags can be removed by admin
* Entry titles can be changed
* Improved index page and fetcher