summary: handle repo like changelog does Show "There are no changesets yet" instead of relying on pager to silently eat EmptyRepositoryError. Use .get_changesets() instead of using c.db_repo_scm_instance directly.

[tox]
minversion = 1.8
envlist = py27-pytest

[testenv]
setenv =
    PYTHONHASHSEED = 0
deps =
    -r{toxinidir}/dev_requirements.txt
    python-ldap
    python-pam
commands =
    pytest: py.test {posargs}