Merge branch 'release-1.2.8' into develop

* release-1.2.8:
  Bumping version to 1.2.8
  Update changelog
  Update unit tests for new service added
Evaluate include/exclude filters from source dir
Add integration tests for local include/exclude filters
Fix unit test on windows
Account for s3 paths not having a trailing slash

Fixes #552
Update test to *not* have trailing slash
Merge branch 'include-exclude-sourcedir' into develop

* include-exclude-sourcedir:
  Fix unit test on windows
  Add integration tests for local include/exclude filters
  Evaluate include/exclude filters from source dir
Update CHANGELOG with new changes
Merge branch 's3-trailing-slash' into develop

* s3-trailing-slash:
  Update test to *not* have trailing slash
  Account for s3 paths not having a trailing slash
Update changelog with issue 552
Update include/exclude docs to reflect latest changes

Also changed the wording of `--include` to make its purpose
more clear.
Merge branch 's3-filter-docs' into develop

* s3-filter-docs:
  Update include/exclude docs to reflect latest changes
Update completer tests with new region
Update CloudTrail customization call format.

Updates the AWS CloudTrail create-subscription and update-subscription
customizations to use the latest CloudTrail API, which includes changes
in the way parameters are passed into the CreateTrail and UpdateTrail
operations.
Remove str() call from part_number args

The model now defines these properly as ints.
Add banner for new region
Update changelog with latest features
Bumping version to 1.2.9
Merge branch 'release-1.2.9'

* release-1.2.9:
  Bumping version to 1.2.9
  Update changelog with latest features
  Add banner for new region
  Remove str() call from part_number args
  Update CloudTrail customization call format.
  Update completer tests with new region
  Update include/exclude docs to reflect latest changes
  Update changelog with issue 552
  Update CHANGELOG with new changes
  Update test to *not* have trailing slash
  Account for s3 paths not having a trailing slash
  Fix unit test on windows
  Add integration tests for local include/exclude filters
  Evaluate include/exclude filters from source dir