Updating Finagle to 6.5.0, Scala to 2.10.1
Better identifier naming, called objectName rather than key, which was easily confused with the AWS API key identifier.

Removed spurious semicolons.
Renaming key -> objectName in doc
Removed SNAPSHOT version
Merge pull request #2 from noelmarkham/master

Update to work with the up to date Finagle libraries and Scala version