tree-wide: Assorted spelling fixes

In particular, several occurances of funny versions of 'success',
'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address',
'beginning', 'desirable', 'separate' and 'necessary' are fixed.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Joe Perches <joe@perches.com>
Cc: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

scripts/gfp-translate

@@ -19,7 +19,7 @@ usage() {
 	exit 0
 }
 
-# Parse command-line arguements
+# Parse command-line arguments
 while [ $# -gt 0 ]; do
 	case $1 in
 		--source)