restored configurable options
corrected config options example for uglify v2.x
typeof instead of instanceof
changed minify to optimize
Merge pull request #6 from es128/patch-1

restored configurable options for uglify
Release 1.5.1.
Merge branch 'master' of github.com:brunch/uglify-js-brunch
Release 1.5.1.
Fix tests.
Improve installation instructions.
Remove lib from gitignore.
Remove setup.js.
Add license.
Add src/ and changelog to npmignore.
handle nested frozen objects

fixes #7
compiled js included
also update README config example to coffeescript syntax