0.15.0

• As a Release Manager, I'd like to be able to copy environment config when duplicating an environment
• Upgrade PrimeNG and check if there is an update to the Ultima theme
• Add documentation explaining the basic concepts of Ahoy
• Change duplicate release to use the detail page
• Switching between releases in the recent menu causes an error
• NPE when using a docker registry that has not been configured as secure
• Use primitive boolean type for all JSON persisted configuration
• Unable to delete environment once is has release history associated with it
• Resources not saving on application
• Ahoy secrets are of type Opague vs Opaque