[issue 80] - Adding the EAP 7.z (i.e. Jakarta EE 8 base WildFly) image provisioner

[fabiobrz]

Description

Adding the EAP 7.z (i.e. Jakarta EE 8 base WildFly) image provisioner to support testing of EAP 7.z stream (i.e. only productized deliverables)

Part of #80

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change
• Chore (non-breaking change which doesn't affect codebase;
  test, version modification, documentation, etc.)

Checklist

• Code contributed by me aligns with current project license: Apache 2.0
• Pull Request contains a description of the changes
• Pull Request does not include fixes for multiple issues/topics
• Code is self-descriptive and/or documented
• I have implemented unit tests to cover my changes
• I tested my code in OpenShift

[marekkopecky]

Thank you! MR LGTM, merging.