* Adjust the style of btn.
 * Adjust the style for dropdown-menu.
 * ajusted style of ordered list and unordered list.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * ajusted style of tag with class '.small'.
 * Use htmlspecialchars for content of kindeditor.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * fixed a spelling error.
 * updated zui.
 * ajusted style of 'block/create'.
 * adjust file upload security.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 + added 'lesss.js'.
 + added common style for default template.
 * ajusted views fo default template.
 * updated zui.js.