Changing heading level of 'Alternate code'

Change level 3 (###) to level 2 (##):

    sgit -e 's/^### \(Alternate code\)/## \1/g' '*README.md'

which is the same as:

    sgit -e 's/^### Alternate code/## Alternate code/g' '*README.md'

This is per discussion in GitHub.

2011/vik/README.md

@@ -45,7 +45,7 @@ It is possible to download a number of Mod files from [The Mod
 Archive](http://modarchive.org).
 
 
-### Alternate code:
+## Alternate code:
 
 Assuming that `make` is similar enough try: