Allow travis to build the release-2.7 branch

weierophinney · weierophinney · commit 2cd669716145 · 2016-02-16T12:13:18.000-06:00
- But not tagged releases.
diff --git a/.travis.yml b/.travis.yml
@@ -4,7 +4,7 @@ language: php
 
 branches:
   except:
-    - /^release-.*$/
+    - /^release-\d+\.\d+\.\d+.*$/
     - /^ghgfk-.*$/
 
 cache:
