ajenti: restart when needed using handlers

Just restart one time when wondershaper plugin is installed. Also use restarted
instead of started because the first time ajenti doesn't load correctly.
sugar-stats: use stats-consolidation package from PyPI
Merge pull request #110 from migonzalvar/restart-ajenti-2

ajenti: restart when needed using handlers

ran to completion and looks OK
Merge pull request #116 from migonzalvar/ft-stats-conso-pypi

[REVIEW] sugar-stats: use stats-consolidation package from PyPI

ran to completion