added initial_repo_scan flag for controll if repo scaning should be performed on every startup. There's always paster repo-scan or repo scann triggered from admin pannel
"""Various utilities to work with Python < 2.7.Those utilities may be deleted once ``vcs`` stops support for older Pythonversions."""importsysifsys.version_info>=(2,7):unittest=__import__('unittest')else:unittest=__import__('unittest2')