There are new document published on the Processor Expert Software community that describes how to install the KL03 SDK support in KDS 1.1.1/KDS 2.0.0 and how to create a low power demo application on FRDM-KL03Z in KDS 1.1.1/KDS 2.0.0, see following links:
How to install KL03 SDK support in KDS 1.1.1 and KDS 2.0.0
Low power demo application on FRDM-KL03Z board
Best Regards,
Marek Neuzil