Normalized comments.

This was mostly done automatically and then visually inspected for obvious errors.
All //-style comments should have a 2-space separation from the code, and 1 space after the comment sign.

src/OSSupport/Sleep.cpp

@@ -12,7 +12,7 @@
 void cSleep::MilliSleep( unsigned int a_MilliSeconds )
 {
 #ifdef _WIN32
-	Sleep(a_MilliSeconds); // Don't tick too much
+	Sleep(a_MilliSeconds);  // Don't tick too much
 #else
     usleep(a_MilliSeconds*1000);
 #endif