square/dagger — pull request #435 by roman-mazur (2014-08-25 17:49:26+00:00)
Title: "apt-get update" before "install" in travis config

should fix travis build errors like
```
Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/e/eglibc/libc6-dev_2.15-0ubuntu10.5_amd64.deb 404 Not Found [IP: 2001:67c:1360:8c01::19 80]
```