DLXSolver coded & tested + dlxSolverTester

This version is stable and ready for use
Merge branch 'master' of https://github.com/AmitMarcus/DecomposeForPacking

Conflicts:
	DecomposeForPacking/DecomposeForPacking/main.cpp

main update for tests
Merge branch 'master' of https://github.com/AmitMarcus/DecomposeForPacking