Fix tmp/format-headers.sh, format headers

The script had "s surrounding the git ls-files command which turned it
to a single file which of course is wrong.

Ran script again fixing many README.md files that had incorrect number
of blank lines for critical headers.

This will have to be done a final but a good number of files have been
corrected.

2014/deak/README.md

@@ -63,6 +63,7 @@ Use `prog.alt` as you would `prog`.
 ./try.alt.sh
 ```
 
+
 ## Judges' remarks:
 
 We consider this entry a tribute to all "Abuse of the C preprocessor"
@@ -73,7 +74,6 @@ We liked the use of unary notation facilitated by variadic macros.
 
 ## Author's remarks:
 
-
 ### Portability
 
 The application was written on a standard Ubuntu 14.04 and tested with