Add Composer settings file
Run 'composer install'

Terminal Result:
```
Loading composer repositories with package information
Installing dependencies
  - Installing doctrine/lexer (v1.0)
    Downloading: 100%

  - Installing doctrine/annotations (v1.1.2)
    Downloading: 100%

  - Installing doctrine/collections (v1.1)
    Downloading: 100%

  - Installing doctrine/cache (v1.3.0)
    Downloading: 100%

  - Installing doctrine/inflector (v1.0)
    Downloading: 100%

  - Installing doctrine/common (v2.4.1)
    Downloading: 100%

  - Installing symfony/console (v2.3.7)
    Downloading: 100%

  - Installing doctrine/dbal (v2.4.1)
    Downloading: 100%

  - Installing doctrine/orm (v2.4.1)
    Downloading: 100%

  - Installing symfony/yaml (v2.3.7)
    Downloading: 100%

symfony/console suggests installing symfony/event-dispatcher ()
Writing lock file
Generating autoload files
```
Add Dependencies to README; Composer