* Moved the encryption to its own action method.
* removed silly default value for encryption type.
* Code formatting issues from pull request ANSIBOT.
* changed version_added to "2.5"
because of new new options available
* changed version_added to "2.5"
because of new new options available
* changed version_added to "2.5"
because of new new options available
* Add the ability to modify shard count to kinesis_stream module
* Fixed an issue in kinesis_stream where update() reports not changed when it is changed
* Remove unreachable message and make the try and catch block shorter
