Scala Stream Collector: upgrade to use KPL

[alexanderdean]

• https://aws.amazon.com/blogs/aws/amazon-kinesis-update-simplified-capture-of-streaming-data/
• http://docs.aws.amazon.com/kinesis/latest/dev/developing-producers-with-kpl.html

[fblundun]

https://blogs.aws.amazon.com/bigdata/post/Tx3ET30EGDKUUI2/Implementing-Efficient-and-Reliable-Producers-with-the-Amazon-Kinesis-Producer-L

[szareiangm]

@BenFradet @jbeemster @alexanderdean Is the there something blocking this ticket? I see this ticket sitting in the backlog for a long time