added delete button into repository settings form, it makes more natural to have it there. Users where confused by my account -> my repos where deletion is also possible
"""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')