* Few translation and unique fixes
Fixed:
* translation of "vs original Unit name" in nation description
e.g. Lost ability(vs Knight): Penalty vs City 33%
* translations of some button texts and labels from map editor
* Fixed "[+X Happiness] in all cities" and "[+X Happiness] in capital" national unique
* Fixed "Can move immediately once bought" unique
* Spectators no longer can adopt policies
Close button is no longer disabled when player has free policy but has no adoptable policies
FreePolicies are being spent properly in scenario editor mode
* redundant
* scenario editing mode improvements and new uniques
* Fixed Russian nation unique - it is civ-wide bonus
* genericized "+[]% Production when building [] in this city"
* genericized "All newly-trained [] units in this city receive the [] promotion"
* changed some uniques to be able to have list of filters separated by comma as unique param
* scenario editing mode improvements:
Resource requirements when buying buildings and units are ignored
Limit for selling buildings is ignored
Workers improve tiles instantly
Units will not be disbanded if civilization has negative gold
* fix crash in scenario editing mode due to PerpetualConstruction not having a GoldCost
* undo comma separation
* implement All newly-trained [relevant] units in this city receive the [] promotion
relevant as in 'units that can receive'
* upadte template.properties
* unnecessary parentheses
* Not being annoyed by this vs less chance of forgetting to set gold before releasing scenario
* update template.properties
* add missing spaces
* check if Improvement in question isGreatImprovement before applying buff that only Great Improvements are supposed to have
* update() GameOptionsTable when player selects or unselects mod
some mods might change list of difficulties or eras
* run onChange() when SelectBox is added
so if user select modded difficulty and unselect mod that added it gameParameters.difficulty will be updated
* add [+stats] from every [baseTerrain or terrainFeature] Nation unique
