[MERCURY-105] fixed precision error in objective function, added tree serialization for debugging
[MERCURY-105] fixed precision error in objective function, added tree serialization for debugging

git-svn-id: 2c527eb49caa05e19d6b2be874bf74fa9d7ea670@757666 13f79535-47bb-0310-9956-ffa450edef68

xasx/maven,pkozelka/maven,wangyuesong0/maven,Tibor17/maven,trajano/maven,aheritier/maven,gorcz/maven,cstamas/maven,likaiwalkman/maven,pkozelka/maven,skitt/maven,changbai1980/maven,ChristianSchulte/maven,karthikjaps/maven,Mounika-Chirukuri/maven,rogerchina/maven,trajano/maven,stephenc/maven,keith-turner/maven,barthel/maven,kidaa/maven-1,keith-turner/maven,ChristianSchulte/maven,olamy/maven,josephw/maven,mcculls/maven,stephenc/maven,mizdebsk/maven,wangyuesong/maven,skitt/maven,dsyer/maven,lbndev/maven,trajano/maven,njuneau/maven,aheritier/maven,kidaa/maven-1,Mounika-Chirukuri/maven,karthikjaps/maven,Distrotech/maven,changbai1980/maven,lbndev/maven,skitt/maven,gorcz/maven,Mounika-Chirukuri/maven,stephenc/maven,lbndev/maven,apache/maven,aheritier/maven,dsyer/maven,josephw/maven,wangyuesong0/maven,apache/maven,olamy/maven,mizdebsk/maven,Tibor17/maven,apache/maven,runepeter/maven-deploy-plugin-2.8.1,mizdebsk/maven,vedmishr/demo1,dsyer/maven,wangyuesong/maven,olamy/maven,barthel/maven,njuneau/maven,kidaa/maven-1,mcculls/maven,barthel/maven,wangyuesong/maven,vedmishr/demo1,runepeter/maven-deploy-plugin-2.8.1,pkozelka/maven,wangyuesong0/maven,xasx/maven,xasx/maven,Distrotech/maven,josephw/maven,mcculls/maven,changbai1980/maven,rogerchina/maven,atanasenko/maven,cstamas/maven,atanasenko/maven,vedmishr/demo1,likaiwalkman/maven,gorcz/maven,njuneau/maven,rogerchina/maven,karthikjaps/maven,keith-turner/maven,cstamas/maven,likaiwalkman/maven,atanasenko/maven,ChristianSchulte/maven