analyze more mailinglists to generate metric emails
analyze more mailinglists to generate metric emails

This patch adds the following mailinglists:

  * openstack-docs - http://lists.openstack.org/pipermail/openstack-docs/
  * openstack-infra - http://lists.openstack.org/pipermail/openstack-infra/
  * openstack-operators - http://lists.openstack.org/pipermail/openstack-operators/
  * openstack - http://lists.openstack.org/pipermail/openstack/

Change-Id: I03d8062ffa5aff6425f826e330439e82881f3049
Closes-Bug: #1321927

mgkwill/spectrometer,mhharsh/stackalytics,stackforge/stackalytics,zxiiro/spectrometer,Mirantis/stackalytics,AlexanderYAPPO/stackalytics,openstack/stackalytics,dave-tucker/spectrometer,Solinea/stackalytics,dave-tucker/spectrometer,openstack/stackalytics,dliu2015/stackalytics_zanata,Solinea/stackalytics,dave-tucker/spectrometer,nihilifer/stackalytics,mhharsh/stackalytics,dave-tucker/spectrometer,0xf2/stackalytics,nihilifer/stackalytics,danielmellado/stackalytics,Code-Fly/stackalytics,AlexanderYAPPO/stackalytics,0xf2/stackalytics,mgkwill/spectrometer,mhharsh/stackalytics,zxiiro/spectrometer,zxiiro/spectrometer,mgkwill/spectrometer,stackforge/stackalytics,stackforge/stackalytics,Code-Fly/stackalytics,0xf2/stackalytics,Solinea/stackalytics,danielmellado/stackalytics,Mirantis/stackalytics,mohitsethi/stackalytics,mgkwill/spectrometer,zxiiro/spectrometer,mohitsethi/stackalytics,nihilifer/stackalytics,openstack/stackalytics,mgkwill/spectrometer,openstack/stackalytics,danielmellado/stackalytics,Code-Fly/stackalytics,dliu2015/stackalytics_zanata,dave-tucker/spectrometer,zxiiro/spectrometer,mohitsethi/stackalytics,dliu2015/stackalytics_zanata,Mirantis/stackalytics,AlexanderYAPPO/stackalytics,0xf2/stackalytics