Update Travis CI config.

siffiejoe · siffiejoe · commit 5d3207a64316 · 2015-12-19T09:26:21.000+01:00
diff --git a/.travis b/.travis
@@ -1 +1 @@
-Subproject commit fd9d5d42b08c5888c7a965162f522099707815f0
+Subproject commit 7f50e81a1549bba9b9180d25f8c4be430b6cd183
