Fix suggested warden IP in try_me.yml
Remove text/html from nginx gzip_types

It is always compressed and emits a warning
Update manifest examples to use newer templates config
Upgrade JRE 1.6.0_24 -> 7u67 and simplify packaging script
Upgrade Jenkins 1.532.1 -> 1.565.1
Drop bosh-cli, cf-cli, libyaml, ruby to keep the jenkins release focused

From @mrdavidlaing:

> I also think you should remove:
> https://github.com/logsearch/jenkins-boshrelease/tree/master/packages/bosh-cli
> https://github.com/logsearch/jenkins-boshrelease/tree/master/packages/cf-cli
> as failed experiments - isolating build server dependancies using Docker containers is a much better technique
Add jenkins_slave job with swarming support
Add master/slave property to specify java options (e.g. -Xmx1024m -XX:MaxPermSize=512m)
Fix permissions and parent directory for swarm plugin
Default jenkins.admin.password to null and unused

Most deployments will use an authentication plugin where this password is no longer applicable or required
Reduce nginx timeouts to avoid hangs when jenkins is problematic
Add bugfix_docker_resolvconf to help with Docker DNS issues
Add jquery and simple-theme plugins
Use doony.org Jenkins theme
Start maintaining our own releases as logsearch-jenkins
Ignore .bosh_config
Merge pull request #2 from logsearch/upgrades-and-slaves

Upgrades and slaves