Fixed the gamma crux jeep graphics
Updated the GammaCruxYamlHelper to compute the hash codes based on map names in the campaign file.
Merge branch 'bleed' of https://github.com/veniora/OpenRA into bleed

Conflicts:
	OpenRA.FileFormats/Thirdparty/GammaCruxYamlHelper.cs
	mods/ra/campaigns/Allies.yaml

Fixed conflicts.