* Added support for bitbucket repositories:
* added variable BITBUCKET_REPOSITORY
* added short syntax in form "bb:user/repo"
* added description of that to readme.md
* Added test for bitbucket short syntax
* Used elseif syntax in handling of git services (github, gitlab, bitbucket).
* Added HEMRND/TestingFramework example located on bitbucket.org
* Reformatted CMakeLists.txt in TestingFramework example
* Bumped version of TestingFramework. It supports older version of c++ standard.
Co-authored-by: Paweł Gorgoń <pgorgon@hem-e.com>
