Added Seven Days to Die Undead Legacy Template (#224)

* Added Seven Days to Die Undead Legacy Template

* Updated default Seven Days to Die templates

* Removed Undead Legacy config references

* Added name to authors

* Removed Undead Legacy specific files

* Made requested changes.

* Added an Info box to the Undead Legacy category

* Fixed missing {{$FullBaseDir}}

* Fixed UpdateSourceCondition for copy commands.

* Fixed typo in Windows Undead Legacy Stable copy.

* Made requested changes for merge.

seven-days-to-diemetaconfig.json

@@ -18,5 +18,15 @@
         "ConfigFile": "seven-days-settings204.xml",
         "AutoMap": true,
         "ConfigType": "xml"
+    },
+    {
+        "ConfigFile": "seven-days-settings-undead-legacy-stable.xml",
+        "AutoMap": true,
+        "ConfigType": "xml"
+    },
+    {
+        "ConfigFile": "seven-days-settings-undead-legacy-experimental.xml",
+        "AutoMap": true,
+        "ConfigType": "xml"
     }
 ]