Remote diagnosis ui (ready for review)

[dhlaluku]

Description

Remote diagnostics UI integration

FS: https://cwiki.apache.org/confluence/display/CLOUDSTACK/CloudStack+Remote+Diagnostics+API

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)

GitHub Issue/PRs

Screenshots (if appropriate):

See FS Wiki for screenshots

How Has This Been Tested?

Checklist:

• I have read the CONTRIBUTING document.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
  Testing
• I have added tests to cover my changes.
• All relevant new and existing integration tests have passed.
• A full integration testsuite with all test that can run on my environment has passed.