Allow the tests to have cpp flags, libraries and includes independently.
Allow the tests to have cpp flags, libraries and includes independently.

paulmartel/voltdb,VoltDB/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,deerwalk/voltdb,deerwalk/voltdb,migue/voltdb,simonzhangsm/voltdb,migue/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,migue/voltdb,migue/voltdb,migue/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,migue/voltdb,deerwalk/voltdb,VoltDB/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,VoltDB/voltdb,migue/voltdb,migue/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,VoltDB/voltdb,deerwalk/voltdb,deerwalk/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,deerwalk/voltdb