Apply #8166 to master so folks can build a non-empty v2.3.2

Created by: cvrebert

This is indeed necessary:

bootstrap (master) $ git log -n 1
commit de683e9003b5ec6860a1fcb768416356dd685ef5
Author: Mark Otto <[email protected]>
Date:   Thu Jun 13 22:57:05 2013 -0700

    Update README.md

bootstrap (master) $ rm -rf node_modules/
bootstrap (master) $ npm install
[...]
[email protected] node_modules/uglify-js

[email protected] node_modules/hogan.js

[email protected] node_modules/connect
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
└── [email protected]

[email protected] node_modules/jshint
├── [email protected] ([email protected])
└── [email protected] ([email protected])

[email protected] node_modules/recess
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected] ([email protected])
└── [email protected] ([email protected], [email protected], [email protected], [email protected])
bootstrap (master) $ make

##################################################
Building Bootstrap...
##################################################

Running JSHint on javascript...             ✔ Done
Compiling LESS with Recess...               ✔ Done
Compiling documentation...                  ✔ Done
Compiling and minifying javascript...       ✔ Done

##################################################
Bootstrap successfully built at 11:02AM.
##################################################

Thanks for using Bootstrap,
<3 @mdo and @fat

bootstrap (master) $ cat docs/assets/css/bootstrap*.css

bootstrap (master) $ # So, the CSS files are empty!!!