can't import Grails module in IntelliJ 14.1.3

I'm unable to add a new Grails module from existing sources in IDEA 14.1.3 Ultimate Edition on OS X or Ubuntu. After running `grails create-app test` on the command-line, I tried to import this module into IntelliJ using both the "New Module" and "New Module from existing sources" options. I set the content root to the root dir of the Grails app, but in both cases, the GrailsWeb facet wasn't added.

Similarly I was unable to create a new Grails module from within IntelliJ. Neither of these problems exist in version 14.0.X. I've provided a bit more detail about the problem in this [stackoverflow post](https://stackoverflow.com/questions/30947280/adding-a-grails-module-to-an-intellij-project)

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*Imported from [IDEA-138417](https://youtrack.jetbrains.com/issue/IDEA-138417) · Type: Bug · Votes: 0*
*Comments, attachments, dates and reporter are not part of the export — follow the link above for the full history.*

Reproduce the issue with `grails create-app test` in IntelliJ IDEA 14.1.3 on OS X or Ubuntu, using both module import workflows and in-IDE module creation. Compare the same steps in IntelliJ 14.0.X, then trace the Grails module import and GrailsWeb facet setup paths. Done means a newly imported or created Grails app receives its GrailsWeb facet as it did in 14.0.X.

Written by the indexing model from the issue text.