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/Kernel/Threading/KSynchronization.cs

@@ -20,7 +20,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
 
             _system.CriticalSection.Enter();
 
-            //Check if objects are already signaled before waiting.
+            // Check if objects are already signaled before waiting.
             for (int index = 0; index < syncObjs.Length; index++)
             {
                 if (!syncObjs[index].IsSignaled())