Many README.md files updated

Formatting and other notes. Many more need to be checked for this but I
wanted these changes out of the way of git status to try and clean my
working changes.

2005/aidan/README.md

@@ -13,13 +13,13 @@ make
 ### To run:
 
 ```sh
-./aidan
+./aidan < puzzle
 ```
 
 ### Try:
 
 ```sh
-echo "Do or do not. There is no try."
+./aidan < insane1.sudoku 
 ```
 
 ## Judges' comments: