Allow tags to be built by Travis

AbigailBuccaneer · AbigailBuccaneer · commit 7ca830d116ca · 2018-03-01T08:56:09.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -5,6 +5,7 @@ language: c
 branches:
   only:
     - master
+    - /^v[\d.-]+$/
 
 cache:
   directories:
