

This is a bug-fix release with a couple of important fixes.

* Disable NPM test on Travis on Windows [3437174c](https://github.com/gohugoio/hugo/commit/3437174c3a7b96925b82b351ac87530b4fa796a5) [@bep](https://github.com/bep) 
* travis: Install nodejs on Windows [f66302ca](https://github.com/gohugoio/hugo/commit/f66302ca0579171ffd1730eb8f33dd05af3d9a00) [@bep](https://github.com/bep) 
* js: Remove external source map option [944150ba](https://github.com/gohugoio/hugo/commit/944150bafbbb5c3e807ba3688174e70764dbdc64) [@bep](https://github.com/bep) [#7932](https://github.com/gohugoio/hugo/issues/7932)
* js: Misc fixes [bf2837a3](https://github.com/gohugoio/hugo/commit/bf2837a314eaf70135791984a423b0b09f58741d) [@bep](https://github.com/bep) [#7924](https://github.com/gohugoio/hugo/issues/7924)[#7923](https://github.com/gohugoio/hugo/issues/7923)




Add release notes for 0.78.1
releaser: Add release notes for 0.78.1
[ci skip]
