sp_shutdown man page filled in
sp_shutdown man page filled in

Signed-off-by: Martin Sustrik <4dd6061be1198639e8b05ce4fd5ead7a0dcaa0f4@250bpm.com>

yan97ao/nanomsg,ttyangf/nanomsg,nirs/nanomsg,imp/nanomsg,smithed/nanomsg,hyperfact/nanomsg,potatogim/nanomsg,imp/nanomsg,krafczyk/nanomsg,yan97ao/nanomsg,thisco-de/nanomsg,simplestbest/nanomsg,hyperfact/nanomsg,cosin2008/nanomsg.NET,linearregression/nanomsg,nirs/nanomsg,pch957/nanomsg,TTimo/nanomsg,wirebirdlabs/featherweight-nanomsg,kaostao/nanomsg,wfxiang08/nanomsg,ttyangf/nanomsg,JackDunaway/featherweight-nanomsg,JackDunaway/featherweight-nanomsg,TTimo/nanomsg,JackDunaway/featherweight-nanomsg,modulexcite/nanomsg,zerotacg/nanomsg,smithed/nanomsg,TTimo/nanomsg,wirebirdlabs/featherweight-nanomsg,thisco-de/nanomsg,imp/nanomsg,wfxiang08/nanomsg,tempbottle/nanomsg,wirebirdlabs/featherweight-nanomsg,TTimo/nanomsg,smithed/nanomsg,cosin2008/nanomsg.NET,simplestbest/nanomsg,krafczyk/nanomsg,kaostao/nanomsg,kaostao/nanomsg,linearregression/nanomsg,potatogim/nanomsg,snikulov/nanomsg,krafczyk/nanomsg,cosin2008/nanomsg.NET,tempbottle/nanomsg,wfxiang08/nanomsg,pakozm/nanomsg,featherweight/ftw-kernel-nanomsg,pakozm/nanomsg,nirs/nanomsg,smithed/nanomsg,zerotacg/nanomsg,potatogim/nanomsg,ttyangf/nanomsg,gdamore/mamomsg,reqshark/nanomsg,featherweight/ftw-kernel-nanomsg,zerotacg/nanomsg,gdamore/mamomsg,snikulov/nanomsg,yan97ao/nanomsg,pakozm/nanomsg,gdamore/mamomsg,simplestbest/nanomsg,tempbottle/nanomsg,ttyangf/nanomsg,pch957/nanomsg,modulexcite/nanomsg,reqshark/nanomsg,pch957/nanomsg,kaostao/nanomsg,modulexcite/nanomsg,linearregression/nanomsg,hyperfact/nanomsg,reqshark/nanomsg