Move OnEpochEnd from AddrTransTable upwards to AddrTransController. Fix bug: increasing numEpochs twice
Adding support for cross addr (during COW). Adjust Probe() return status.
[gem5] Freeze memory while COW on DRAM, and perform stats (still not enable cross writes).
[gem5] Remove bandwidthNVM.
[gem5] Enable cross addr (while COW on DRAM).
[gem5] Integrate with MigratoryController with ideal page migration policy.
Add stats in MigratoryController