Rebuild tools to be ARMv8 compatible

Detail:
  GNU/diff,ff8, GNU/gawk,ff8, Unix/Sed,ff8, Unix/grep,ff8, Unix/wc,ff8 - Rebuilt using latest BuildHost sources (GCC 4.7.4r3) to resolve UnixLib ARMv8 incompatibility
  Misc/decgen/decgen,ff8, Misc/decgen/!ReadMe - Import new ARMv8-compatible decgen build (GCC 4.7.4r3) to solve the same UnixLib issue there as well
Admin:
  Tested building BCM2835 ROM on Raspberry Pi 3


Version 1.90. Tagged as 'Library-1_90'

Misc/decgen/!ReadMe

-decgen - Instruction set decoder generator - V1.41, 2014/02/07
+decgen - Instruction set decoder generator - V1.41b, 2017/04/15
 ======
 
 
@@ -494,6 +494,9 @@ From time to time decgen may throw an assert, or even worse, crash. This is like
 History
 =======
 
+V1.41b - 2017/04/15
+  * Rebuilt RISC OS binary with GCCSDK 4.7.4 release 3, to produce an ARMv8 compatible binary
+  * No other changes
 V1.41 - 2014/02/07
   * Fixed bug in regular code generator that would result in the wrong paths being taken for many trees
   * Improved action handling so that identical actions will be merged together

VersionNum

-/* (1.89)
+/* (1.90)
  *
  * This file is automatically maintained by srccommit, do not edit manually.
  * Last processed by srccommit version: 1.1.
  *
  */
-#define Module_MajorVersion_CMHG        1.89
+#define Module_MajorVersion_CMHG        1.90
 #define Module_MinorVersion_CMHG        
-#define Module_Date_CMHG                05 Feb 2017
+#define Module_Date_CMHG                15 Apr 2017
 
-#define Module_MajorVersion             "1.89"
-#define Module_Version                  189
+#define Module_MajorVersion             "1.90"
+#define Module_Version                  190
 #define Module_MinorVersion             ""
-#define Module_Date                     "05 Feb 2017"
+#define Module_Date                     "15 Apr 2017"
 
-#define Module_ApplicationDate          "05-Feb-17"
+#define Module_ApplicationDate          "15-Apr-17"
 
 #define Module_ComponentName            "Library"
 #define Module_ComponentPath            "mixed/RiscOS/Library"
 
-#define Module_FullVersion              "1.89"
-#define Module_HelpVersion              "1.89 (05 Feb 2017)"
-#define Module_LibraryVersionInfo       "1:89"
+#define Module_FullVersion              "1.90"
+#define Module_HelpVersion              "1.90 (15 Apr 2017)"
+#define Module_LibraryVersionInfo       "1:90"