Update version number to 10.4.0 (#153)

diff --git a/include/FreeRTOS.h b/include/FreeRTOS.h
index 709a830..c86dc95 100644
--- a/include/FreeRTOS.h
+++ b/include/FreeRTOS.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/StackMacros.h b/include/StackMacros.h
index 15376ec..d89f22e 100644
--- a/include/StackMacros.h
+++ b/include/StackMacros.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/atomic.h b/include/atomic.h
index d27c283..e7f60e4 100644
--- a/include/atomic.h
+++ b/include/atomic.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/croutine.h b/include/croutine.h
index 31b5d1a..1395e7c 100644
--- a/include/croutine.h
+++ b/include/croutine.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/deprecated_definitions.h b/include/deprecated_definitions.h
index 59a76e4..e483905 100644
--- a/include/deprecated_definitions.h
+++ b/include/deprecated_definitions.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/event_groups.h b/include/event_groups.h
index 13d2506..88df3f5 100644
--- a/include/event_groups.h
+++ b/include/event_groups.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.3.1
+ * FreeRTOS Kernel V10.4.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/list.h b/include/list.h
index 8eb2d35..c53419b 100644
--- a/include/list.h
+++ b/include/list.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/message_buffer.h b/include/message_buffer.h
index 1c8c0e1..68bba57 100644
--- a/include/message_buffer.h
+++ b/include/message_buffer.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/mpu_prototypes.h b/include/mpu_prototypes.h
index 2e06a02..61e4635 100644
--- a/include/mpu_prototypes.h
+++ b/include/mpu_prototypes.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/mpu_wrappers.h b/include/mpu_wrappers.h
index edc7032..e4577c1 100644
--- a/include/mpu_wrappers.h
+++ b/include/mpu_wrappers.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/portable.h b/include/portable.h
index 65bb152..c7474a8 100644
--- a/include/portable.h
+++ b/include/portable.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/projdefs.h b/include/projdefs.h
index c1adfad..eb36eea 100644
--- a/include/projdefs.h
+++ b/include/projdefs.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/queue.h b/include/queue.h
index 1355ab7..712943a 100644
--- a/include/queue.h
+++ b/include/queue.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.3.1
+ * FreeRTOS Kernel V10.4.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/semphr.h b/include/semphr.h
index 8b08165..7d32b84 100644
--- a/include/semphr.h
+++ b/include/semphr.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/stack_macros.h b/include/stack_macros.h
index bb6f25d..e328875 100644
--- a/include/stack_macros.h
+++ b/include/stack_macros.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/stream_buffer.h b/include/stream_buffer.h
index b94f2e3..3a46a4f 100644
--- a/include/stream_buffer.h
+++ b/include/stream_buffer.h
@@ -1,5 +1,5 @@
 /*

- * FreeRTOS Kernel V10.3.1

+ * FreeRTOS Kernel V10.4.0

  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy of

diff --git a/include/task.h b/include/task.h
index f51dbd4..58ffd1f 100644
--- a/include/task.h
+++ b/include/task.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.3.1
+ * FreeRTOS Kernel V10.4.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
@@ -44,10 +44,10 @@
 * MACROS AND DEFINITIONS
 *----------------------------------------------------------*/
 
-#define tskKERNEL_VERSION_NUMBER       "V10.3.1"
+#define tskKERNEL_VERSION_NUMBER       "V10.4.0"
 #define tskKERNEL_VERSION_MAJOR        10
-#define tskKERNEL_VERSION_MINOR        3
-#define tskKERNEL_VERSION_BUILD        1
+#define tskKERNEL_VERSION_MINOR        4
+#define tskKERNEL_VERSION_BUILD        0
 
 /* MPU region parameters passed in ulParameters
  * of MemoryRegion_t struct. */
diff --git a/include/timers.h b/include/timers.h
index 9c5a35c..a3bedf2 100644
--- a/include/timers.h
+++ b/include/timers.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.3.1
+ * FreeRTOS Kernel V10.4.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of