Update the Travis config to use NPM 4

cfpb / design-manual

⚠️ THIS REPO IS DEPRECATED ⚠️ A set of design principles and standards for the Consumer Financial Protection Bureau.

https://cfpb.github.io/design-manual/

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Update the Travis config to use NPM 4 #546

Closed jimmynotjim closed 6 years ago

jimmynotjim commented 6 years ago

There is a bug in NPM 5 that is causing the install to fail. Downgrading to NPM 4 for the time being. Also added steps to install grunt and ensure the project assets successfully build.

Additions

Added Grunt install step to Travis config
Added Grunt build step to Travis config

Changes

Updated Travis config to use NPM 4

Testing

Wait for Travis to report back

Preview this PR without the whitespace changes