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/vik/README.md

@@ -44,7 +44,6 @@ instructions on how to get it to work with Windows.
 
 ### Alternate build:
 
-
 ```sh
 make alt
 ```
@@ -76,7 +75,6 @@ might help? :-)
 
 ## Author's remarks:
 
-
 ### Remarks
 
 This program converts ASCII text to Morse audio file and vice versa. As far as