Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Create Vagrant files
Create Makefile

- Create targets to download and install composer;
- Create target to run PHPUnit tests.
Fixed problems with process queue

- The queue was not being cleaned when the process finished;
- Remove Arara\Process\Queue class;
- Update example.