Remove VoltDBEngine details out of the header included everywhere. Tighten up TempTableLimits.
Merge branch 'master' into cleanup-VoltDBEngine.h
Merge branch 'master' into cleanup-VoltDBEngine.h
One-liner for OSX compiler fussiness
Merge branch 'master' into cleanup-VoltDBEngine.h

Conflicts:
	src/ee/execution/VoltDBEngine.h
	src/ee/storage/TempTableLimits.cpp
	src/ee/storage/TempTableLimits.h
Merge branch 'master' into cleanup-VoltDBEngine.h
Merge branch 'master' into cleanup-VoltDBEngine.h
Merge pull request #1444 from VoltDB/cleanup-VoltDBEngine.h

Cleanup volt db engine.h