Use cf-d develop branch to update logging releases
Use cf-d develop branch to update logging releases

- log-cache
- loggregator-agent
- leadership-election

[#168418361](https://www.pivotaltracker.com/story/show/168418361)

Co-authored-by: Sebastian Vidrio <68ba84219e4e2d7d15fed3ed668bd2821314e420@pivotal.io>
Co-authored-by: Dave Walter <00834c187f77910918b70534e2fb1dd066a04d4b@pivotal.io>

cloudfoundry/cf-deployment,cloudfoundry/cf-deployment