upgrade to symfony 2.3 and integrate submit type
merged branch alexandresalome/feat-symfony-2.3 (PR #49)

This PR was merged into the master branch.

Discussion
----------

upgrade to symfony 2.3 and integrate submit type

Commits
-------

fca1493 upgrade to symfony 2.3 and integrate submit type
Fixed previous merge + fix #44
add cache:clear command
Merge branch 'cache-clear-command' closed #47
Fixed previous merge