Updates from Structure

* change jeblair email address
* add "OpenStack" slide
* update release management slide to mention fedora
* remove vision slide -- redundant
* add pie chart to contributors
* move contributors to  after release mgmt and before tooling
  (tooling is driven by contributor needs)
* rename environment -> development environment
  s/oslo-incubator/oslo/
* devstack-gate problems: be more politic
* remove jclouds plugin
* add zuul status view
* update zuul examples

Change-Id: Ib66586f1613c4dee6d8e4b26753062cd2bf05d37