is_opt() for MipWrapper.
make debug for MipWrapper will keep the .o and wrapped .o file so that debug symbols are available.
Merge branch 'master' of github.com:eomahony/Numberjack
Create the obj and python folders if they don't exist.
CPLEXDIR should contain /cplex
Variables coefficients in the objective was not being passed to SCIP.
available_interfaces/scip shouldn't have the generated interface files checked in.
Remove unused var and debug output in Gurobi interface.