xc2par: Work on chasing down some bugs in the min-conflicts logic
xc2par: Work on chasing down some bugs in the min-conflicts logic

azonenberg/openfpga,azonenberg/openfpga,rqou/openfpga,rqou/openfpga,rqou/openfpga,rqou/openfpga,rqou/openfpga,azonenberg/openfpga,azonenberg/openfpga,azonenberg/openfpga