Add high level operations for cloudtrail
Update CHANGELOG with latest features
Update completer unit tests with new changes
Bumping version to 1.2.5
Merge branch 'release-1.2.5' into develop

* release-1.2.5:
  Bumping version to 1.2.5
  Update completer unit tests with new changes
  Update CHANGELOG with latest features
  Add high level operations for cloudtrail