Misc cleanup (#708)

* Fix typos

* Remove unneeded using statements

* Enforce var style more

* Remove redundant qualifiers

* Fix some indentation

* Disable naming warnings on files with external enum names

* Fix build

* Mass find & replace for comments with no spacing

* Standardize todo capitalization and for/if spacing

Ryujinx.HLE/Loaders/Npdm/ACI0.cs

@@ -30,7 +30,7 @@ namespace Ryujinx.HLE.Loaders.Npdm
 
             TitleId = reader.ReadInt64();
 
-            //Reserved.
+            // Reserved.
             stream.Seek(8, SeekOrigin.Current);
 
             int fsAccessHeaderOffset       = reader.ReadInt32();