--Floating IP statistics (both diff and aggregate) changes
--Send only delta for interface statistics
--Remove aggregate interface statistics
--Move all the StatsOracle stats to new UVE

Change-Id: Ic5d82c0f8eab4833a7e1bc0379c87173fe9b633b
Merge "--Floating IP statistics (both diff and aggregate) changes --Send only delta for interface statistics --Remove aggregate interface statistics --Move all the StatsOracle stats to new UVE"