use doctrine dbal 2.5@dev for hhvm
Merge pull request #278 from symfony-cmf/hhvm

use doctrine dbal 2.5@dev for hhvm
Added configuration and styling for symfony-cmf/RoutingBundle#273
Merge pull request #276 from frne/sonata-admin-frontend-link-config

[WIP] Adds default configuration and styling for SonataAdmin frontend link
updates dependencies
removed hack to get dev versions for hhvm support
updated dependencies
add basic samples for the publication workflow

Fixes #184
worked together with @christoph-hautzinger
Merge pull request #282 from marco-jantke/add-publication-workflow-sample

add basic samples for the publication workflow