Added Foundation (created with the Foundation CLI command)
Improved README.md with prerequisites and sample commands
Added options to the Gruntfile, following the main bower config file

Using the `install` option will run "bower install".
The copy option is set to false in order to have only the directory specified in the bowerrc file, w/o the lib/ one.
Merge pull request #1 from Wemucs/init

Added Foundation (Using npm and grunt tasks)