Updated template for Bluemix instances

Tags: #<Tag:0x00007f491b764a60>

The template used by default for new Bluemix instances is now based on version 3.2 (it used to be version 3.1).

This does not impact the existing instances that will remain on the 3.1 maintenance branch.

The template used by default for new Bluemix instances is now based on version 4.0 (it used to be version 3.2).

This does not impact the existing instances that will remain on the 3.1 & 3.2 maintenance branches.