Merge branch 'features/graphviz' into template

Atry · Atry · commit db3d62c30262 · 2016-08-13T18:21:42.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,6 +3,7 @@ sudo: false
 addons:
  apt:
    packages:
+     - graphviz
 
 language: scala
 
