added total connections open as black line.
added total connections open as black line.

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