Update version in Makefile to 1.1.5.
Update version in Makefile to 1.1.5.

gregbdunn/aws-ec2rescue-linux,gregbdunn/aws-ec2rescue-linux,Drudenhaus/aws-ec2rescue-linux,gregbdunn/aws-ec2rescue-linux,Drudenhaus/aws-ec2rescue-linux,Drudenhaus/aws-ec2rescue-linux