Start of coding for new endpoint

Committing and pushing so andrew can access it.
[105536] add path rules for oauth/clients/tx
[105536] Sort path rules files for better diffs

When Ingy was trying to regenerate the path rules YAML file his
diffs were horrific because the source files had sorted differently
for whatever reason. This should fix that.
using YAML dumper from bundle exec
Got the format of the UAA test case.

Looks like just an array of normal single requests. Should be easy to implement.
[105536] Finish stubs for tx endpoints
[105536] Fix path rules order (again)

The order in which the Spring Security path rules are applied matters. This
order is defined by the order in the XML-- now imported correctly.
[105536] most /oauth/clients/tx endpoints

This implements all of the tx endpoints that we have test coverage for
from UAA
Add these {R,M}akefile changes for AOK testing
Merge remote-tracking branch 'origin/bz105536-C' into release-v3.4.2