* add block table.
Merge branch 'master' of github.com:xirang/chanzhieps
 * set editedDate is addedDate.
 * rewrite index function.
 * add sitemapXML function and sitemapHTML funtion.
 * adjust childs to children.
 * use editedDate directly.
 * reduce indent.
 * fetch body of sitemap file.
 * reduce indent.
 * use comments instead or commentList.
 * use links instead of partner.
 * use links instead of partner.
 * mv links from footer to index.
Merge branch 'master' of github.com:xirang/chanzhieps

Conflicts:
	system/module/common/view/footer.html.php
	system/module/sitemap/control.php
 * use addedDate as editedDate when create.
 * adjust childs to children.
 * judge oauth is empty or not.