- changed message

- added mode validation

Conflicts:
	app/code/Magento/Indexer/composer.json

- changed exception message

- Fixed code integrity test failure.

- fixed static test

- Fixed a static error.

- Removed hard-coded paths.

- corrected constant name

- fixed CyclomaticComplexity
- fixed integration test

- changed descripyion according to CR.

- fixing incorrect namespace usage

- Fixing code integrity build failure.

- Changes based on CR feedback.

- CR fixes

- Changes based on CR feedback.

- fixed argument description

- Fixed code integrity build failures.

- CR fixes

- Changes based on CR feedback.

- fixed integration test

- Fixed build failures.

- added classes to namespace blacklist

- Fixed unit test.

- Fixed unit test.

- made changes according to CR

- Fixed one build failure.

- Changes based on CR feedback.

- fixed unittest

- chnages according to CR

- Changes based on CR feedback.

- Fixed one static code analysis error.

- Fixed few static code analysis errors.

- added suppression for Deploy::deploy()

- changed message in test

- fixed static test

- changed message

- added doc block

- fix for integration test

- fixed static PHPMD issues
- chamges according to CR