Use Travis container infrastructure for faster builds

diff --git a/.travis.yml b/.travis.yml
index 1a2943c..8a75ec3 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,10 @@
+sudo: false
+addons:
+  apt:
+    packages:
+      - libgd2-xpm-dev
+      - graphviz
+      - libxml2-dev
 language: perl
 perl:
   - "blead"