Add Gzip compression type
Remove unnecessary spaces from conf files

Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>

The original configure file mixed tab and space
characters as indentation, so use 4 spaces as the
default indentation character.

Add /etc/nginx/conf.d/*.conf as nginx additional configure
files. Then we can add individual conf file for other http
applications without modify the main nginx configure file.

Signed-off-by: James Qian <sotux82@gmail.com>

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>

This adds an additional file for ngix that contains all the files need to make luci works on the nginx webserver.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>