AsyncIO compression part 2 - added async read and asyncio to compression code (#3022)

* Compression asyncio:
- Added asyncio functionality for compression flow
- Added ReadPool for async reads, implemented in both comp and decomp flows

programs/fileio_types.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) Yann Collet, Facebook, Inc.
+ * Copyright (c) Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
@@ -70,4 +70,4 @@ typedef struct FIO_prefs_s {
     int allowBlockDevices;
 } FIO_prefs_t;
 
-#endif /* FILEIO_TYPES_HEADER */
+#endif /* FILEIO_TYPES_HEADER */