Squashed commit of the following:

commit feba5f80addeadab56d624e85b5988d354d6859b
Author: vladikoff <vlad.filippov@gmail.com>
Date:   Sat Jun 7 15:52:53 2014 -0700

    Fix indent.

commit a79a920360d59de024408e528642d3fdccc8579c
Author: Stefan Klein <st.fankl.in@gmail.com>
Date:   Sat Mar 29 01:03:51 2014 +0100

    added option "expression" to uglify json and single functions

Closes gh-198.
0.5.0 updates
bump deps - fixes #221
Less verbose output

Files created are logged on verbose
Merge pull request #229 from piuccio/master

Less verbose output
Updates chalk to 0.5.x

Updates [Chalk](https://www.npmjs.org/package/chalk) to latest version, .

Amongst other chances this version performs about *60 times faster*, so upgrading may increasing logging performance. For a full list of chances, see the [release notes](https://github.com/sindresorhus/chalk/releases/tag/v0.5.0).

This version should be fully backwards compatible, and introduce no breaking chances.
Merge pull request #231 from jbnicolai/update-chalk

Updates chalk to 0.5.x
Update package.json
0.5.1 update
Copy input source map's sourcesContent into the final source map.

(IFF options.sourceMapIncludeSources is true)