Added common submodule
Added common submodule

jonsyu1/seelog,cihub/seelog,helight/helight_code,helight/helight_code,helight/helight_code,conseweb/seelog,helight/helight_code,helight/helight_code,torfuzx/seelog,FactomProject/seelog,helight/helight_code,pki-io/seelog,helight/helight_code,helight/helight_code,helight/helight_code