index.php: use demo.php
before.php: set timezone
split functions and variables into files
status.php: fix pure grid
index.php: use distro.php
before.php: fix links
Merge remote-tracking branch 'upstream/master' into merging

Conflicts:
	demo.php
Merge pull request #12 from stieizc/master

index初步，status样式修复，before链接修复