More work on tab completion, see details.. #77

Completed:
- Jail check
- jail clear
- jail createcell
- jail deletecell
- Jail list
- jail listcells
- jail mute

src/main/java/com/graywolf336/jail/command/subcommands/JailTimeCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 
 import com.graywolf336.jail.JailManager;
@@ -52,4 +55,9 @@ public class JailTimeCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }