ENG-3737 make sure replic replays same unique ids and timesatamps on recover
Merge branch 'master' into ENG-3737
Merge pull request #371 from VoltDB/ENG-3737

Eng 3737 make sure replica replays same unique ids and timesatamps on recover
Make voltdbipc compile against arch-linux

Arch installed g++ (GCC) 4.7.2.  Alternately, I title
this commit, "C++ const - turning well meaning programmers
into angry liars since 1983".
Merge branch 'master' into ENG-3752-cast