revert b2d31c5..2d1876b

this wasn't a cairo issue, no need to slow down travis
less recent version of cairo works just as well

.travis.yml

@@ -6,8 +6,7 @@ before_install:
   - sudo add-apt-repository "deb http://us.archive.ubuntu.com/ubuntu/ vivid main restricted"
   - cat /etc/apt/sources.list
   - sudo apt-get update
-  - sudo rm /etc/dpkg/dpkg.cfg.d/multiarch
-  - sudo apt-get install -y --force-yes libexpat1-dev libcairo2-dev libjpeg8-dev libpango1.0-dev libgif-dev build-essential g++
+  - sudo apt-get install -y --force-yes libcairo2-dev libjpeg8-dev libpango1.0-dev libgif-dev build-essential g++
 script:
   - npm run-script test-travis
 notifications: