quant: returns numSig instead of absSum and lastPos
Merge with default (prepare for 1.2)
TEncCU: save CABAC context missing after merge

Also removed an extra context save
TEncCU: save CABAC context missing after merge

Also removed an extra context save
Merge with stable
TEncCU: bug fix introduced in commit 8a5b02464813

Remove the xCheckBestMode call, add in a ccontext save.
Merge with stable