Add autoload cookie to auto-mode-alist
Merge pull request #5 from yasuyk/add-autoload-cookie

Add autoload cookie to auto-mode-alist
Set `current-load-relative-directory`.

Makes `(require "file.rkt")` work even if `current-directory` is
something other than the home of the "file.rkt".

That includes `(require (submod "." test))` -- i.e. this also fixes an
issue where the run tests command did not work when
`current-directory` was elsewhere.
Fix issue with commit 6318212f and (run!)

Instead of setting current-load-relative-directory to
current-directory, it was setting it to the parent of
current-directory. Fix.
Define an `exn:run-new-sandbox` struct, instead of repurposing `box`.
Changed parenface from honeydew4 to gray30.
Set paren-face to default foreground face.
Merge pull request #6 from mswift42/master

Default racket-paren-face to plain foreground face.
Provide separate default colors for light and dark backgrounds.
Just tweak comments.
Merge branch 'master' of github.com:greghendershott/racket-mode

* 'master' of github.com:greghendershott/racket-mode:
  Set paren-face to default foreground face.
  Changed parenface from honeydew4 to gray30.
Better comment
Indent for/fold and for*/fold correctly. Closes #2.
Update README.md re Emacs version requirement.