add timezone and locale environment variable.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
Merge pull request #36 from laravel-taiwan/patch-2

add new language field.
Merge pull request #35 from laravel-taiwan/patch

add timezone and locale environment variable.
modify style
merge
rm compiled css file from cvs
styling the topic content area
topic content style
update css permission to 644.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>