Fix issue
[maven-release-plugin] prepare release email-ext-2.33
[maven-release-plugin] prepare for next development iteration
revert field name
Added more debug for excluded commiters feature
Fix JENKINS-19583

Don't put PROJECT_DEFAULT_RECIPIENTS into the field by default
Fix JENKINS-19585

Fixed issue with contentType stuff
Add HtmlUnit tests
Disable tests until figure out how to reset descriptor
[maven-release-plugin] prepare release email-ext-2.34
[maven-release-plugin] prepare for next development iteration
Updating to latest LTS
Update to exclude anyone in the list, not just committers
Major refactoring of descriptor and test setup.

Refactored the descriptor into the recommended method and also
changed to JenkinsRule for testing.
Fix JENKINS-15442

Removed check for triggers to determine configured state.
Fix JENKINS-14338

Added check to see if AbstractProject is null before trying to use it.
Fix NPE with Jenkins 1.535