[Console] Added ability to set the process title

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | 
| License       | MIT
| Doc PR        | 

As of PHP 5.5 it's possible to set CLI processes titles.

Output of the `ps` command. Before:
![before](https://f.cloud.github.com/assets/1586668/2438249/82818904-adef-11e3-9e84-13d6eea95220.png)

After:
![after](https://f.cloud.github.com/assets/1586668/2438251/86370de4-adef-11e3-9b7e-b1f9b23b973d.png)