Update gulp-uglify to version 2.0.0 🚀

Hello lovely humans,

gulp-uglify just published its new version 2.0.0.

State	Update :rocket:
Dependency	gulp-uglify
New version	2.0.0
Type	devDependency

This version is not covered by your current version range.

Without accepting this pull request your project will work just like it did before. There might be a bunch of new features, fixes and perf improvements that the maintainers worked on for you though.

I recommend you look into these changes and try to get onto the latest version of gulp-uglify. Given that you have a decent test suite, a passing build is a strong indicator that you can take advantage of these changes by merging the proposed change into your project. Otherwise this branch is a great starting point for you to work on the update.

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Good luck with your project :sparkles:

You rock!

:palm_tree:

GitHub Release

Bug Fixes

errors: emit errors of type GulpUglifyError (1232c3c)
minifer: use gulplog for the warning (5632cee)

Features

minifier: use UglifyJS 2.7.0's input map support (8160697)

BREAKING CHANGES

errors: Emitted errors are of a new type. Original UglifyJS error message are preserved instead of the attempt to normalize them. The constructor is exported as "GulpUglifyError" to allow for instance checks.
minifier: Now requires UglifyJS 2.7.0 or greater to use the input object support.

The new version differs by 86 commits .

e4f9045 2.0.0
566ec6a refactor(tests): write tests with mocha
5651111 refactor(tests): replace cmem with testdouble
b82387b refactor(tests): compose streams with mississippi utilities
1232c3c fix(errors): emit errors of type GulpUglifyError
5632cee fix(minifer): use gulplog for the warning
8160697 feat(minifier): use UglifyJS 2.7.0's input map support
3ec8fc3 chore(package): update uglify-js to version 2.7.0
a9c55b9 doc(README): spelling mistake in example
80da765 chore(release): 1.5.4
01fb8ca chore(package): update uglify-js to version 2.6.4
8aa877e chore(package): update uglify-js to version 2.6.3
0027093 chore(lint): resolve lint failures
fe2158a chore(package): update xo to version 0.16.0
a03b663 docs(README): document how to minify (some) ES6

There are 86 commits in total. See the full diff.

This pull request was created by greenkeeper.io.

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Snugug / eq.js