Update dependency of Symfony to 2.4

Ignore phpstorm bloat by default

Revert "Ignore phpstorm bloat by default"

This reverts commit 710fbf9362c9d67e45e5f1dc9e6c605bd2531c71.

Switch symfony/console to allow 2.3 or 2.4 (>=2.3,<3)
Merge pull request #62 from connectstudios/upgrade-symfony_2.4

Support all minor releases of Symfony Console 2.x.

This also adds support for the newly released 2.4.0.