Allure dependency added

Allure reports can now be generated.
1. Make sure you have maven 3.2.* installed.
2. Run allure tests, for example: mvn -Dtest=DummyTest clean test
3. To create a html report run mvn site.
4. Report is located in ${project.basedir}/target/site/project-reports.html. You can open it in the browser and enjoy.