1.0.0-dev.2

* Added requirements section into a composer.json file
* Updated README.md file with User Documentation
** Running the Magento Test Framework (MTF)
** Installing and Configuring the Magento Test Framework (MTF)
* MTF Improvements
** Fixed Mtf\Fixture\InjectableFixture::__construct() method
** Moved __prepare() method call from __construct() to run() method in Mtf\Constraint\AbstractConstraint\Injectable class
** Added validations for Mtf\Block\Form class methods
** Updated return value for Mtf\Client\Driver\Selenium\Element\CheckboxElement::getValue() method
* Fixed bugs:
** Fixed an issue in Mtf\ObjectManager\Factory with resolving arguments in __construct() during new instance creation