[sheepdog] [PATCH] sheep: merge options related to sheep.log

[Liu Yuan]

On Wed, Dec 11, 2013 at 04:30:15PM +0900, Teruaki Ishizaki wrote:
> Previously, sheep had many log options, -l, -F , -d and -L.
> 
> This patch merge options to the option '-l'.
> 
> Usage:
> 	$ sheep -l dir=<log_directory>,level=<log_level_num>,format=<log_format>
> 
> Example:
> 	$ sheep -l dir=/logdir,level=7,format=server

Applied after fixing some style problems.

Thanks
Yuan