Convert DOS line endings to Unix line endings

misc/dist/uwp_template/AppxManifest.xml

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10" IgnorableNamespaces="uap mp build" xmlns:build="http://schemas.microsoft.com/developer/appx/2015/build">
   <Identity Name="$identity_name$" Publisher="$publisher$" Version="$version_string$" ProcessorArchitecture="$architecture$" />
   <mp:PhoneIdentity PhoneProductId="$product_guid$" PhonePublisherId="$publisher_guid$" />

modules/mono/editor/GodotSharpTools/GodotSharpTools.sln

-
+
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2012
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GodotSharpTools", "GodotSharpTools.csproj", "{A8CDAD94-C6D4-4B19-A7E7-76C53CC92984}"

modules/mono/glue/cs_files/ExportAttribute.cs

-using System;
+using System;
 
 namespace Godot
 {

modules/mono/glue/cs_files/MarshalUtils.cs

-using System;
+using System;
 using System.Collections.Generic;
 
 namespace Godot

modules/mono/glue/cs_files/ToolAttribute.cs

-using System;
+using System;
 
 namespace Godot
 {