Java Api pack into the release pack

[AionJayT]

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Description

Please include a brief summary of the change that this pull request proposes. Include any relevant motivation and context. List any dependencies required for this change.

• Pack the java API binary from the aion_api repo into the released pack
• For using the JavaAPI, the user need to unpack the file in the clientAPI folder inside the release pack. User will see the dependency libs, the clientAPI jar and the JAVA Doc.

Fixes Issue #166

Type of change

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• Bug fix.
• New feature.
• Breaking change (a fix or feature that causes existing functionality to not work as expected).
• Requires documentation update.

Testing

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• N/A

Verification

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• I have self-reviewed my own code and conformed to the style guidelines of this project.
• New and existing tests pass locally with my changes.
• I have added tests for my fix or feature.
• [] I have made appropriate changes to the corresponding documentation.
• My code generates no new warnings.
• Any dependent changes have been made.