going single threaded
Merge branch 'two-dot-o' of https://git-wip-us.apache.org/repos/asf/incubator-usergrid into two-dot-o
remove graphite; add parallel back
smaller batches; property driven
add optional sleep value
move isoktosend to track failure, change batch size to 1k
single thread queue listener batches
add rx merge code
check for null
adding properties for queue names and batch size