added timezone support. fixed bug when log line did not start with a date.
added timezone support.
fixed bug when log line did not start with a date.

tomzhang/mtools,rueckstiess/mtools,aerrami/mtools,parkhyeonghwa/mtools,yaowenqiang/mtools,parkhyeonghwa/mtools,gormanb/mtools,rueckstiess/mtools,corymintz/mtools,corymintz/mtools,gormanb/mtools,ces0712/mtools,devkev/mtools,aerrami/mtools,devkev/mtools,yaowenqiang/mtools,tomzhang/mtools,parkhyeonghwa/mtools,yaowenqiang/mtools,ces0712/mtools,aerrami/mtools,gormanb/mtools,devkev/mtools,tomzhang/mtools,ces0712/mtools,corymintz/mtools