- simple makefile added
- _FixId class added (more clarification needed)
- LinExpr class added
- some higher level interfaces added to LpSolverBase
- minor corrections

 BINARIES = kruskal_test ma_order_test

 INCLUDEDIRS= -I. -I.. -I../../include -I../{marci,jacint,alpar,klao,akos}

 include ../makefile