Simplify mutator commit code with foreach.  Fix issue with delivery of notifications when the data is committed out of order.
Simplify mutator commit code with foreach.  Fix issue with delivery of
notifications when the data is committed out of order.

Change-Id: I434da883acd6f29fc1b114a196f3e453d3c2cce9
Signed-off-by: Rob Adams <dc34e1981fc17062c98433ad1bfcab20a4e3a66c@readams.net>

opendaylight/opflex,mhrobinson/opflex,opendaylight/opflex,mhrobinson/opflex,opendaylight/opflex,mhrobinson/opflex,mhrobinson/opflex,opendaylight/opflex