Add IRCbot notifications

Change-Id: I719ae7d16ed0bb0ce4cc84331045ce615e52db41
Generate coverage reports

Example here:
https://jenkins.rc.nectar.org.au/job/langstroth-python-tox-py27/166/cobertura/

Change-Id: I5163fe51d65edf65e98afcd3c56246967ada4317
Merge "Add IRCbot notifications"
Merge "Generate coverage reports"