Move special_filter/ templates to special/filter/.

This should help with simplifying the (un)placeable filtering again.

Reviewed By: fatherbushido
Differential Revision: https://code.wildfiregames.com/D934
This was SVN commit r20242.

binaries/data/mods/public/simulation/components/AIInterface.js

@@ -221,7 +221,7 @@ AIInterface.prototype.OnTemplateModification = function(msg)
 		{
 			// Remove templates that we obviously don't care about.
 			if (templateName.startsWith("rubble/") || templateName.startsWith("skirmish/") ||
-			    templateName.startsWith("special_filter/"))
+			    templateName.startsWith("special/filter/"))
 				continue;
 			let template = cmpTemplateManager.GetTemplateWithoutValidation(templateName);
 			if (!template || !template.Identity || !template.Identity.Civ)

source/ps/TemplateLoader.cpp

@@ -62,7 +62,7 @@ bool CTemplateLoader::LoadTemplateFile(const std::string& templateName, int dept
 			return false;
 		}
 
-		VfsPath path = VfsPath(TEMPLATE_ROOT) / L"special_filter" / wstring_from_utf8(prefix + ".xml");
+		VfsPath path = VfsPath(TEMPLATE_ROOT) / L"special" / L"filter" / wstring_from_utf8(prefix + ".xml");
 		if (!VfsFileExists(path))
 		{
 			LOGERROR("Invalid subset '%s'", prefix.c_str());