Many more changes to get to a build for testing

server/util/FileUtil.cs

@@ -863,7 +863,7 @@ namespace Sockeye.Util
 
             using (var file = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
-                file.Read(bytes, 0, bytes.Length);
+                file.ReadExactly(bytes, 0, bytes.Length);
             }
 
             var headerPos = BitConverter.ToInt32(bytes, peHeaderOffset);