Merge changes to official tree from r199
	modified:   POEApi.Model/Item.cs
	modified:   POEApi.Model/JSONProxy/Stash.cs
	modified:   POEApi.Model/OrbType.cs
	modified:   POEApi.Model/ProxyMapper.cs
	modified:   Procurement.sln
	modified:   Procurement/ApplicationState.cs
	modified:   Procurement/Procurement.csproj
	modified:   README