upgraded nexus.indexer to 6.4
upgraded nexus.indexer to 6.4

johnsteele/windup,OndraZizka/windup,windup/windup,johnsteele/windup,Maarc/windup,jsight/windup,johnsteele/windup,OndraZizka/windup,Maarc/windup,jsight/windup,jsight/windup,windup/windup,Maarc/windup,windup/windup,windup/windup,OndraZizka/windup,OndraZizka/windup,Maarc/windup,jsight/windup,johnsteele/windup