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.

1990/jaw/README.md

@@ -60,7 +60,6 @@ directory it is run from.
 
 ## Authors' remarks:
 
-
 ### ABSTRACT
 
 #### Minimal, Universal File Bundling (or, Functional Obfuscation in a Self-Decoding Unix Shell Archive)

1990/pjr/README.md

@@ -34,7 +34,6 @@ well.
 
 ### Alternate build:
 
-
 ```sh
 make alt
 ```
@@ -65,7 +64,6 @@ This program prints out the string:
 
 ## Author's remarks:
 
-
 It is simple to make the program print other strings.  Each
 alphabetical character from a to z is printed out as its
 opposite:

1990/westley/README.md

@@ -37,8 +37,8 @@ If you have an old enough compiler try and to see how C has changed over the yea
 make alt
 ```
 
-### Alternate use:
 
+### Alternate use:
 
 ```sh
 ./westley.alt <number>