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/HOS/Services/Ns/IAddOnContentManager.cs

@@ -32,8 +32,8 @@ namespace Ryujinx.HLE.HOS.Services.Ns
         {
             Logger.PrintStub(LogClass.ServiceNs);
 
-            //TODO: This is supposed to write a u32 array aswell.
-            //It's unknown what it contains.
+            // TODO: This is supposed to write a u32 array aswell.
+            // It's unknown what it contains.
             context.ResponseData.Write(0);
 
             return 0;