Bump uglify-to-browserify from 1.0.2 to 2.1.0 (#19)

Bumps
[uglify-to-browserify](https://github.com/ForbesLindesay/uglify-to-browserify)
from 1.0.2 to 2.1.0.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/ForbesLindesay/uglify-to-browserify/commit/f443a43ed0e24c358d8d4198290086953133acf4"><code>f443a43</code></a>
Release 2.1.0</li>
<li><a
href="https://github.com/ForbesLindesay/uglify-to-browserify/commit/03c6e29b35fb09a836233921343ece6db2a50c11"><code>03c6e29</code></a>
Update uglify-js to the latest version 🚀 (<a
href="https://redirect.github.com/ForbesLindesay/uglify-to-browserify/issues/7">#7</a>)</li>
<li><a
href="https://github.com/ForbesLindesay/uglify-to-browserify/commit/ea06e60969175c486310a56c158ca00af1904239"><code>ea06e60</code></a>
Release 2.0.0</li>
<li><a
href="https://github.com/ForbesLindesay/uglify-to-browserify/commit/49b1378cd7dbcdcbafa8f738bdaf8a8130440921"><code>49b1378</code></a>
work with <code>uglify-js 3.x</code> (<a
href="https://redirect.github.com/ForbesLindesay/uglify-to-browserify/issues/6">#6</a>)</li>
<li><a
href="https://github.com/ForbesLindesay/uglify-to-browserify/commit/1a71dad0a6ec9c1fdf906d9e2d9bfb41959dc444"><code>1a71dad</code></a>
Update dependencies to enable Greenkeeper 🌴 (<a
href="https://redirect.github.com/ForbesLindesay/uglify-to-browserify/issues/4">#4</a>)</li>
<li><a
href="https://github.com/ForbesLindesay/uglify-to-browserify/commit/bbab4ceae27d764ad54a6b38dfe07e2ca00d2c0e"><code>bbab4ce</code></a>
Remove unnecessary hack</li>
<li><a
href="https://github.com/ForbesLindesay/uglify-to-browserify/commit/36c393b611494e3c547e4d8b1a1c263006bbefa8"><code>36c393b</code></a>
Update badges</li>
<li><a
href="https://github.com/ForbesLindesay/uglify-to-browserify/commit/ff918ed8ccc0f448da768266fffa7ed4f23df0c4"><code>ff918ed</code></a>
Use <a href="http://shields.io">http://shields.io</a> for README
badges.</li>
<li>See full diff in <a
href="https://github.com/ForbesLindesay/uglify-to-browserify/compare/1.0.2...2.1.0">compare
view</a></li>
</ul>
</details>
<br />


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</details>

package.json

@@ -238,7 +238,7 @@
     "ua-parser-js": "^1.0.2",
     "uc.micro": "^1.0.6",
     "uglify-js": "^3.17.4",
-    "uglify-to-browserify": "^1.0.2",
+    "uglify-to-browserify": "^2.1.0",
     "universalify": "^0.1.2",
     "unpipe": "^1.0.0",
     "utils-merge": "^1.0.1",