Parse supporting coutries, prestige per turn, air/naval transports available, and unit organic transport from scn files
Parse info for briliant, victory and tactical victory turns
Don't show rendering performance messages by default
Renamed etransport to carrier for pg2 organic air/naval transport
Fix turn prestige parsing
Update scenarios with new data parsed
Add new features from the new scenario parse.
Conversion to int
Fixed int conversion for prestigePerTurn
Use prestigePerTurn read from scenario file. Starting prestige is taken from prestigePerTurn (closes #12)
Implement supporting countries (minor countries). Can choose a minor country in equipment window. (closes #11)