Failed to load the grunt-runner package

[Enter steps to reproduce below:]
1. Just install `grunt-runner` package

**Atom Version**: 0.190.0
**System**: Mac OS X 10.10.3
**Thrown From**: [grunt-runner](https://github.com/nickclaw/atom-grunt-runner) package, v0.8.0
### Stack Trace

Failed to load the grunt-runner package

```
At Cannot read property 'prototype' of undefined

TypeError: Cannot read property 'prototype' of undefined
at __extends (/Users/yurique/.atom/packages/grunt-runner/lib/grunt-runner-view.coffee:1:1)
at /Users/yurique/.atom/packages/grunt-runner/lib/grunt-runner-view.coffee:15:5
at Object. (/Users/yurique/.atom/packages/grunt-runner/lib/grunt-runner-view.coffee:311:5)
at Object. (/Users/yurique/.atom/packages/grunt-runner/lib/grunt-runner-view.coffee:1:1)
at Module._compile (module.js:452:26)
at Object.requireCoffeeScript (/Applications/Atom.app/Contents/Resources/app/node_modules/coffee-cash/lib/coffee-cash.js:85:19)
at Module.load (module.js:347:32)
at Function.Module._load (module.js:302:12)
at Module.require (module.js:357:17)
at require (module.js:376:17)
at Object. (/Users/yurique/.atom/packages/grunt-runner/lib/grunt-runner.coffee:8:15)
at Object. (/Users/yurique/.atom/packages/grunt-runner/lib/grunt-runner.coffee:1:1)
at Module._compile (module.js:452:26)
at Object.requireCoffeeScript (/Applications/Atom.app/Contents/Resources/app/node_modules/coffee-cash/lib/coffee-cash.js:85:19)
at Module.load (module.js:347:32)
at Function.Module._load (module.js:302:12)
at Module.require (module.js:357:17)
at require (module.js:376:17)
at Package.module.exports.Package.requireMainModule (/Applications/Atom.app/Contents/Resources/app/src/package.js:665:34)
at /Applications/Atom.app/Contents/Resources/app/src/package.js:174:28
at Package.module.exports.Package.measure (/Applications/Atom.app/Contents/Resources/app/src/package.js:152:15)
at Package.module.exports.Package.load (/Applications/Atom.app/Contents/Resources/app/src/package.js:166:12)
at PackageManager.module.exports.PackageManager.loadPackage (/Applications/Atom.app/Contents/Resources/app/src/package-manager.js:355:14)
at PackageManager.module.exports.PackageManager.activatePackage (/Applications/Atom.app/Contents/Resources/app/src/package-manager.js:434:30)
at /Applications/Atom.app/Contents/Resources/app/node_modules/settings-view/lib/package-manager.js:268:29
at exit (/Applications/Atom.app/Contents/Resources/app/node_modules/settings-view/lib/package-manager.js:43:16)
at BufferedProcess.triggerExitCallback (/Applications/Atom.app/Contents/Resources/app/src/buffered-process.js:63:47)
at ChildProcess. (/Applications/Atom.app/Contents/Resources/app/src/buffered-process.js:85:18)
at emitTwo (events.js:87:13)
at ChildProcess.emit (events.js:169:7)
at Process.ChildProcess._handle.onexit (child_process.js:1057:12)

```
### Commands

```
-1:45.4 core:cancel (atom-text-editor.editor.mini)
-1:45.0 editor:consolidate-selections (atom-text-editor.editor)
-1:45.0 core:cancel (atom-text-editor.editor)
2x -1:44.5 core:move-up (atom-text-editor.editor)
-1:38.7 settings-view:open (atom-text-editor.editor)
-1:01.5 application:open (atom-text-editor.editor)
-1:00.1 fuzzy-finder:toggle-file-finder (atom-text-editor.editor)
-0:56.7 editor:consolidate-selections (atom-text-editor.editor.mini)
-0:56.7 core:cancel (atom-text-editor.editor.mini)
-0:56.1 command-palette:toggle (atom-text-editor.editor)
-0:54.7 editor:consolidate-selections (atom-text-editor.editor.mini)
-0:54.7 core:cancel (atom-text-editor.editor.mini)
10x -0:53.0 core:move-up (atom-text-editor.editor)
-0:50.5 editor:move-to-first-character-of-line (atom-text-editor.editor)
-0:49.0 settings-view:open (atom-text-editor.editor)
-0:44.4 core:confirm (atom-text-editor.editor.mini)
```
### Config

``` json
{
"core": {}
}
```
### Installed Packages

``` coffee
# User
grunt-runner, v0.8.0
language-scala, v1.1.0
react, v0.11.4
react-snippets, v0.1.4

# Dev
No dev packages
```

Start at lib/grunt-runner-view.coffee:1 and the failing inheritance call at line 15, then inspect how lib/grunt-runner.coffee loads it. Reproduce the failure by installing grunt-runner v0.8.0 in Atom 0.190.0; done means the package loads without the prototype error.

Written by the indexing model from the issue text.