Fix King Robb and convert to new syntax (#546)
Fix King Robb and convert to new syntax (#546)

* Fix King Robb and convert to new syntax
Previously, King Robb's action was able to be used during any challenge
he participated in. Now it will only properly trigger for military
challenges.

Fixes #544.

cryogen/gameteki,samuellinde/throneteki,jbrz/throneteki,jeremylarner/ringteki,samuellinde/throneteki,gryffon/ringteki,ystros/throneteki,cryogen/gameteki,gryffon/ringteki,jeremylarner/ringteki,DukeTax/throneteki,DukeTax/throneteki,jbrz/throneteki,cryogen/throneteki,jeremylarner/ringteki,gryffon/ringteki,Antaiseito/throneteki_for_doomtown,cryogen/throneteki,Antaiseito/throneteki_for_doomtown