quickslot works, new event for actor "actorValueChanged"

- "unpacking" fresh new tool would un-register quickslot desig.
- priority issue on "equipped by quickslot change" and "equipped by inventory UI"

src/net/torvald/terrarum/console/ConsoleCommand.kt

@@ -11,7 +11,6 @@ interface ConsoleCommand {
      *
      * e.g. in ```setav mass 74```, zeroth args will be ```setav```.
      */
-    @Throws(Exception::class)
     fun execute(args: Array<String>)
 
     fun printUsage()