Change tool order

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: na
Todo: none
License of the code: MIT
Documentation PR: na

The order of the commands list is missleading. It's not possible to execute
the commands in the given order. Moving the CRUD generation to the third
position solves this issue. (see http://stackoverflow.com/q/12145101/671639)