hashCode performance improvement (use String.hashCode instead of stringHash())
hashCode performance improvement (use String.hashCode instead of stringHash())

[git-p4: depot-paths = "//open/mondrian/": change = 516]

cocosli/mondrian,cesarmarinhorj/mondrian,cocosli/mondrian,pedrofvteixeira/mondrian,cocosli/mondrian,AvinashPD/mondrian,Seiferxx/mondrian,syncron/mondrian,mdamour1976/mondrian,mustangore/mondrian,citycloud-bigdata/mondrian,rfellows/mondrian,pedrofvteixeira/mondrian,Seiferxx/mondrian,syncron/mondrian,rfellows/mondrian,AvinashPD/mondrian,pentaho/mondrian,Seiferxx/mondrian,openedbox/mondrian,OSBI/mondrian,OSBI/mondrian,stiberger/mondrian,lgrill-pentaho/mondrian,pentaho/mondrian,wetet2/mondrian,bmorrise/mondrian,sayanh/mondrian,nextelBIS/mondrian,truvenganong/mondrian,preisanalytics/mondrian,dkincade/mondrian,cesarmarinhorj/mondrian,lgrill-pentaho/mondrian,wetet2/mondrian,citycloud-bigdata/mondrian,citycloud-bigdata/mondrian,OSBI/mondrian,sayanh/mondrian,pedrofvteixeira/mondrian,openedbox/mondrian,julianhyde/mondrian,bmorrise/mondrian,mdamour1976/mondrian,stiberger/mondrian,bmorrise/mondrian,truvenganong/mondrian,mustangore/mondrian,nextelBIS/mondrian,dkincade/mondrian,preisanalytics/mondrian,nextelBIS/mondrian,openedbox/mondrian,cesarmarinhorj/mondrian,mdamour1976/mondrian,mustangore/mondrian,pentaho/mondrian,AvinashPD/mondrian,ivanpogodin/mondrian,ivanpogodin/mondrian,ivanpogodin/mondrian,truvenganong/mondrian,preisanalytics/mondrian,syncron/mondrian,julianhyde/mondrian,dkincade/mondrian,wetet2/mondrian,lgrill-pentaho/mondrian,stiberger/mondrian,sayanh/mondrian