Enhancement : Display missing TCI properties in the output

[helghaza-tibco]

Maven Plugin version: 2.9.0

Maven version: 3.8.3

Product : TIBCO Businessworks 6.8

Product version: 6.8 HF1

Component: Either of Maven Eclipse Plugin or Maven build plugin

Steps to reproduce the issue:

1. Create a sample project
2. Generate a POM file
3. Only set TCI_PLATFORM_API_ACCESS_TOKEN environment property

Additional environment details if any:

Describe the results you received:
The build failed without explicit output : Failed to deploy BW Application: MessageBodyReader not found for media type=text/plain;charset=utf-8, type=class com.tibco.bw.maven.plugin.tci.dto.TCIError, genericType=class com.tibco.bw.maven.plugin.tci.dto.TCIError. -> [Help 1]

Describe the results you expected:
I expected to have the missing properties not set : TCI_PLATFORM_API_ENDPOINT, TCI_PLATFORM_SUBSCRIPTION_LOCATOR

Additional information you deem important (e.g. issue happens only occasionally):