move event management to its own builtin
move event management to its own builtin

WY08271/alloy,FokkeZB/alloy,jppope/alloy,NadsonFernando/alloy,NadsonFernando/alloy,4talesa/alloy,brentonhouse/brentonhouse.alloy,mobilehero/adamantium,xavierlacot/alloy,FokkeZB/alloy,4talesa/alloy,xavierlacot/alloy,indera/alloy,bhatfield/alloy,WY08271/alloy,WY08271/alloy,mobilehero/adamantium,jppope/alloy,jvkops/alloy,brentonhouse/brentonhouse.alloy,NadsonFernando/alloy,xavierlacot/alloy,indera/alloy,FokkeZB/alloy,4talesa/alloy,jvkops/alloy,jvkops/alloy,bhatfield/alloy,bhatfield/alloy,indera/alloy,brentonhouse/brentonhouse.alloy,mobilehero/adamantium,jppope/alloy