github/linguist — pull request #1188 by kaendfinger (2014-05-13 00:52:30+00:00)
Title: Groovy: Add .gvy, .grt, and .gtpl to the list of extensions

- .gtpl - Groovy Template (MarkupTemplateEngine)
- .grt - Groovy Reactive Template
- .gvy - Same as .groovy