Fix 2011/konno + add try.sh + format/typo checks

As it was NOT a documented feature the program now checks for an arg
before proceeding.

Add try.sh.

Format/typo check README.md file.

This should complete the review of this entry.

2011/konno/README.md

@@ -15,21 +15,19 @@ make
 ### Try:
 
 ```sh
-./konno qwerty
-./konno ioccc
-./konno "the quick brown fox jumps over the lazy dog"
+./try.sh
 ```
 
 
 ## Judges' remarks:
 
-This tiny program outputs what looks like a tiny keyboard.\
-OK, so the letters are missing. But that is no problem because\
+This tiny program outputs what looks like a tiny keyboard.
+OK, so the letters are missing. But that is no problem because
 this program identifies the lower case letters that were pressed!
 
 It is one of those minimal keyboards without all of those
 confusing symbols keys.  No shift for SHOUTING CAPS
-but at least it does not have that useless caps lock key!
+but at least it does not have that useless CAPS LOCK key!
 
 We recommend that you completely deconstruct / figure out
 how this program works and does what it does.  Can you