Version bump and CHANGELOG updates for v2.4.7
Updating CloudFront service description to add AllowedMethods support
Merge branch 'master' into release-2.4.7
Updated the CHANGELOG with the recent CloudFront changes
Updated Elastic Transcoder service description to support audio features
Merge branch 'feature-et-audio' into release-2.4.7
Added more updates to CHANGELOG fro 2.4.7
Fixing a CloudFront unit test