Added cancel-commit operation and persist parameter to commit operation
Added cancel-commit operation and persist parameter to commit operation

vnitinv/ncclient,leopoul/ncclient,ncclient/ncclient,nwautomator/ncclient,earies/ncclient,cmoberg/ncclient,nnakamot/ncclient,GIC-de/ncclient,einarnn/ncclient