travis: use trusty image

Have less ancient git...
2017-05-06 03:38:55 +02:00 · 2017-05-06 03:38:55 +02:00 · 51923c5bed
commit 51923c5bed
parent 3ae2b4f5e5
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -1,4 +1,5 @@
 language: ruby
+dist: trusty
 rvm:
 - 2.1
 install: git clone https://github.com/${TRAVIS_REPO_SLUG%%/*}/qubesos.github.io ~/qubesos.github.io