fix config.yml indentation
remove unused resources
add basic admin test
add sessions dir
config sessions dir
major upgrade to symfony 2.3 LTS
fix twig upgrade problems
fix render view upgrade issues
fix more render view upgrade issues
fix more render view upgrade issues 2
fix render flash view issues
fix render flash controller issues
fix view flash issues
enable fos elastica bundle
fix sonata admin version issue
improve sonata admin UI
improve sonata admin UI 2
improve sonata admin UI 3
fix a2lix upgrade issue
fix a2lix upgrade issue and clean category entity