Merge pull request #12 from stieizc/master

index初步，status样式修复，before链接修复
Merge pull request #13 from stieizc/master

index.php的修复和调整
seperate tuna.css.php
fix tuna.css.php
improve dynamic nav choosing
add logo, fix container bug
add about page
remove unused(buggy) divs
add maintainer message