added optimizer.js ast handler for the optimization flow during compile
added optimizer.js ast handler for the optimization flow during compile

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