[maven-release-plugin] copy for tag 0.0.5

[maven-release-plugin] copy for tag 0.0.4

[maven-release-plugin] copy for tag 0.0.3

[maven-release-plugin] copy for tag custom-distribution-service-0.0.2

[maven-release-plugin] copy for tag custom-distribution-service-0.0.1

Multiple environments support (jenkinsci#88)

* Fixed proxy according to docker container

* Trying out multiple environments

* Change environment variables

* Add documentation for default values

* Added readme instructions

* Fix Dockerfile

* Added readme instructions

* Commit suggestions

* Trigger Build

* Invoked correct function call

* Fixed url 404 error

* Add environment variable to docker infra