Adds Faction founding date

..but does not implement it. Future commit will need to add this to /f
show.

src/main/java/com/massivecraft/factions/cmd/FCommand.java

@@ -9,11 +9,14 @@ import com.massivecraft.factions.zcore.util.TL;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
+import java.text.SimpleDateFormat;
 import java.util.List;
 
 
 public abstract class FCommand extends MCommand<P> {
 
+    public SimpleDateFormat sdf = new SimpleDateFormat(TL.DATE_FORMAT.toString());
+
     public boolean disableOnLock;
 
     public FPlayer fme;