(PR#9480) Patch: make CM aware of rapturesize

<URL: http://bugs.freeciv.org/Ticket/Display.html?id=9480 >

> [bhudson - Mon Aug 02 22:50:42 2004]:
> We could do this trivially if we do a rules change.  Currently, a city
> that has size 2 can be "happy"; which means that a city that grows to
> size 3 can be in rapture immediately.  If we change city_happy to include
>   pcity->size >= get_gov_pcity(pcity)->rapture_size
> then a city that grows to size 3 has to wait a turn to be in rapture.
> 
> I think the new behaviour is how it was in civ2, but I can't remember
> exactly.

This is still an issue (and the patch still applies!); how do we feel about it?