ENG-4633: Add methods to always get aggregated stats without having to specify site IDs.  Use them in the distributed collectFOOStats() calls.
ENG-4633: Add methods to always get aggregated stats without having to
specify site IDs.  Use them in the distributed collectFOOStats()
calls.

migue/voltdb,zuowang/voltdb,simonzhangsm/voltdb,kumarrus/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,VoltDB/voltdb,ingted/voltdb,ingted/voltdb,migue/voltdb,creative-quant/voltdb,VoltDB/voltdb,migue/voltdb,wolffcm/voltdb,zuowang/voltdb,kumarrus/voltdb,creative-quant/voltdb,zuowang/voltdb,paulmartel/voltdb,migue/voltdb,simonzhangsm/voltdb,ingted/voltdb,kumarrus/voltdb,kumarrus/voltdb,zuowang/voltdb,wolffcm/voltdb,simonzhangsm/voltdb,ingted/voltdb,VoltDB/voltdb,flybird119/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,flybird119/voltdb,flybird119/voltdb,creative-quant/voltdb,deerwalk/voltdb,kumarrus/voltdb,kumarrus/voltdb,wolffcm/voltdb,paulmartel/voltdb,zuowang/voltdb,creative-quant/voltdb,VoltDB/voltdb,zuowang/voltdb,deerwalk/voltdb,migue/voltdb,wolffcm/voltdb,flybird119/voltdb,VoltDB/voltdb,deerwalk/voltdb,migue/voltdb,ingted/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,kumarrus/voltdb,creative-quant/voltdb,VoltDB/voltdb,zuowang/voltdb,paulmartel/voltdb,flybird119/voltdb,paulmartel/voltdb,migue/voltdb,wolffcm/voltdb,wolffcm/voltdb,paulmartel/voltdb,zuowang/voltdb,deerwalk/voltdb,creative-quant/voltdb,creative-quant/voltdb,ingted/voltdb,flybird119/voltdb,simonzhangsm/voltdb,flybird119/voltdb,wolffcm/voltdb,flybird119/voltdb,paulmartel/voltdb,ingted/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,paulmartel/voltdb,migue/voltdb,deerwalk/voltdb,wolffcm/voltdb,VoltDB/voltdb,ingted/voltdb,kumarrus/voltdb,creative-quant/voltdb