Info output for explicit models.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@1752 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/explicit/DTMC.java

@@ -314,6 +314,7 @@ public class DTMC extends Model
 	{
 		String s = "";
 		s += numStates + " states";
+		s += " (" + getNumInitialStates() + " initial)";
 		s += ", " + numTransitions + " transitions";
 		return s;
 	}

prism/src/explicit/MDP.java

@@ -690,6 +690,7 @@ public class MDP extends Model
 	{
 		String s = "";
 		s += numStates + " states";
+		s += " (" + getNumInitialStates() + " initial)";
 		s += ", " + numDistrs + " distributions";
 		s += ", " + numTransitions + " transitions";
 		s += ", dist max/avg = " + getMaxNumChoices() + "/"