* rm unused site table.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * fix lcfirst bug.
 * set js and css unspecialchars.
 #task 1125 set js and css unspecialchars.
 * Adjust upload fail notice.
 * Add meta placeholder.
 * adjust image product notice.
 * strip tags of product desc.
 * fix a space.
 * Fix height of diff providers' form.
 * Task # 1123 fix search form params.
 * hide container if keywords is empty.
 * adjustt libl lang items.
 * rm h3 tag from lang.