Adding Glucose 3.0 as a separate package.

Makefile

@@ -23,7 +23,7 @@ MODULES := \
 	src/opt/cut src/opt/fxu src/opt/fxch src/opt/rwr src/opt/mfs src/opt/sim \
 	src/opt/ret src/opt/fret src/opt/res src/opt/lpk src/opt/nwk src/opt/rwt \
 	src/opt/cgt src/opt/csw src/opt/dar src/opt/dau src/opt/dsc src/opt/sfm src/opt/sbd \
-	src/sat/bsat src/sat/xsat src/sat/satoko src/sat/csat src/sat/msat src/sat/psat src/sat/cnf src/sat/bmc \
+	src/sat/bsat src/sat/xsat src/sat/satoko src/sat/csat src/sat/msat src/sat/psat src/sat/cnf src/sat/bmc src/sat/glucose \
 	src/bool/bdc src/bool/deco src/bool/dec src/bool/kit src/bool/lucky \
 	src/bool/rsb src/bool/rpo \
 	src/proof/pdr src/proof/abs src/proof/live src/proof/ssc src/proof/int \