Removed World Congress from this scenario

Fix in front end to prevent problems from occuring when disabling the scenario in options

Removed restriction on game speed.
Ensured that if 0 is entered as the time limit, the default value is used instead.
Improved random number generator.

Changed and/or added some text.
Added the ability to configure the number of turns required to hold The Hill.

War declarations at the start of the game were not functioning properly for players 2 through 6. Fixed.

Final time. Last time it was counting any tile of the city in the central spot.

For real this time: updates to the scripts so that it runs better in MP.

More MP testing

Minor lua changes to attempt to fix MP desync issues.