fix improper use of whitespace in README.md files

The use of the markdown trailing whitespace to indicate
line break should NOT be done when the following line is empty.

This removes such improper use of whitespace in README.md files.

2015/mills1/README.md

@@ -1,6 +1,6 @@
 # "For the Birds!" Award
 
-Chris Mills  
+Chris Mills
 
 ## To build:
 
@@ -68,7 +68,7 @@ From the Makefile:
 			    # Change to your native tongue.
 		    # NOTE: The string MUST be enclosed inside double quotes.
 
-Enjoy! 
+Enjoy!
 
     TAP!! TAP!! TAP!!
     FLAP! FLAP! FLAP!