Merge pull request #1964 from e-cuellar/5.2

[BACKLOG-737] UserRoleListResource
[BACKLOG-503] Extensions oemdoc update

Conflicts
[BACKLOG-761] AuthorizationActionResource JMeter tests
Merge pull request #1961 from scottyaslan/devBranch5.2

[BACKLOG-503] Extensions oemdoc update
Merge pull request #1966 from mdamour1976/5.2

[BACKLOG-761] AuthorizationActionResource JMeter tests
[BACKLOG-763] SystemUserResource