Add python package

  Source: https://github.com/murraju/insightfactory-boshrelease
  Commit: 4e1f0c977bc36599cb5a4e39670bda85c7b0a194
  License: http://www.apache.org/licenses/LICENSE-2.0.html
update collectd with python package dependency /issue #26
fix python/collectd packages; switch boshlite to bosh-warden-boshlite-ubuntu-trusty-go_agent
Merge pull request #27 from logsearch/issue-26

Fix collectd w/ dedicated python package