cleanup winner README.md files

Fixed cases where there was a bad trailing backslash.

Improved a few cases where a code block was needed
to highlight some text.

Changed a few cases where a code block needed to
declared as, say, a sh code block.

Fixed a few cases where the winner information was not properly formatted.

Plus a few nits and clarifying text was added.

2013/cable2/README.md

@@ -1,7 +1,7 @@
 # Best of show
 
 Adrian Cable\
-<adrian.cable@gmail.com>\
+<adrian.cable@gmail.com>
 
 
 ## To build:

2013/endoh2/README.md

@@ -57,9 +57,9 @@ straightforward bitmap comparison.
 
 * LZ77-like compression for font and template data
 * tiny JPEG encoder
-  * Zig-zag space-filling curve
-  * Discrete cosine transform
-  * JPEG Huffman encoding (cheating)
+    * Zig-zag space-filling curve
+    * Discrete cosine transform
+    * JPEG Huffman encoding (cheating)
 
 ### Notes
 

2013/hou/README.md

@@ -2,7 +2,7 @@
 
 Qiming Hou\
 <hqm03ster@gmail.com>\
-<http://www.houqiming.net>\
+<http://www.houqiming.net>
 
 
 ## To build: