wtv-disk fixes

- Fix Karaoke/Music diskmaps not working if partition didn't already exist
- Fix downloadlist sending backslash on windows hosts (did not break functionality tho)

zefie_wtvp_minisrv/ServiceVault/wtv-disk/content/diskmaps/Karaoke.json

@@ -1,8 +1,9 @@
 {
 	"Karaoke": {
-		"base": "file://Disk/Music/karaoke/",
-		"location": "content/Music/karaoke/",
+		"base": "file://Disk/Music/",
+		"location": "content/Music/",
 		"service_owned": true,
+		"partition_size": 29360128,
 		"files": [
 			{
 				"file": "file://Disk/Music/karaoke/images/europe00.jpg"

zefie_wtvp_minisrv/ServiceVault/wtv-disk/content/diskmaps/Music.json

@@ -3,6 +3,7 @@
 		"base": "file://Disk/Music/",
 		"location": "content/Music/",		
 		"service_owned": true,
+		"partition_size": 29360128,
 		"files": [
 			{
 				"file": "file://Disk/Music/headspace/Instruments/Compressed1.1/Patches.hsb"

zefie_wtvp_minisrv/WTVDownloadList.js

@@ -160,6 +160,7 @@ class WTVDownloadList {
         }
         this.download_list += "GET " + file + "\n";
 
+		source = source.replace(/\\/g, "/");
         this.download_list += "group: " + group + "-UPDATE\n";
         this.download_list += "location: " + source + "\n";
         this.download_list += "file-permission: " + file_permission + "\n";