Rulers of Nations v4.17 Patch

Main corrections and adjustments:
- elections : second round date is now correctly displayed.
- correction made for the frozen airplanes
- no more dialog about conflicts imputed to player even if he hasn't started any conflicts
- debug Head of State secret files folder that led to a access memory violation
- no more images that disappear while player is selecting someone to start an investigation
- no more infinite sound loop
- revenue/expense initialization has been corrected
- budget impact concerning tax on large fortunes has been adjusted
- graphic scales improvement
- player's actions on agriculture have more impact on famine (purchase, subvention...)
- stack overflow correction

Added features:
- UN Security Council updated (according to 10/12/10 elections)
- help provided to choose between colonization and annexation
- now, newspaper articles that have an impact on popularity are displayed in red