0001989: Stables not grade cavaliers in champions

Notes
(0005210) Povelitel (updater) 2014-12-10 22:16	Not sure, but probably applies here 1972 too

(0005225) SXX (administrator) 2014-12-20 14:11	This one isn't implemented yet. There is some code to do the upgrade, but it's comented out as TODO.

(0005368) SXX (administrator) 2015-01-08 08:14 edited on: 2015-01-08 08:15	Interesting note on H3 behaviour for this upgrade. In H3 hero that have Champions in his army get upgrade even if he already visited stables in Castle Town this week. Though caption on hover still show stables as "visited" for such hero before upgrade.

(0006387) Warmonger (administrator) 2016-01-30 17:42 edited on: 2016-01-30 17:42	>> There is some code to do the upgrade, but it's comented out as TODO. I wrote that part and it worked at least, didn't see any complains or bug reports. Probably got commented out on object refactoring.

(0006389) vmarkovtsev (developer) 2016-01-30 20:59	https://github.com/vcmi/vcmi/pull/183 [^] I preserved every aspect from OH3 - even UI behavior with already visited stables, as SXX described.

(0006390) vmarkovtsev (developer) 2016-01-30 21:00	@Warmonger: some refactoring rendered your code useless, so it was commented out. I had to kind of hack to recover.