* change lang.
 * adjust mate-name's color.
 * fixed style for themes.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * fixed style of theme 'tree'.
 * Adjust the style of attributes.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * fixed color of sitename for theme 'tree'.
 * Adjust code.
 * Reduce the padding between summary and content.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * Adjust the style for browse of file.
 * Align input-group-addon.
 * Add border for tartan.
 * Adjust style for header.
 * Adjust the padding of header.
 * Add border for panel.
 * ajusted style for some themes.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * adjust the margin of breadcrumb.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * Adjust style for btn and article-content.