Create 3.2 Branch

[Tom Zeller]

>> If we want to ship commons-collections 3.2.2, I think we should declare/bump it in parent-v3 (since java-support is [optionally] dependent on Velocity which has the transitive dependency on commons-collections). So we’re bumping the stack at that point.
> 
> That sounds like a good reason to just bump everything.

Okay. I don’t have the change exactly ready for parent-v3, but it would be a patch bump across the stack (obviously excluding the IdP which is 3.3.0-SNAPSHOT right now). I don’t think I should change the minor version, I’ll leave that to those commits.