Revert to previous implementation
Merge branch 'master' of https://github.com/jenkinsci/email-ext-plugin

Conflicts:
	src/main/java/hudson/plugins/emailext/ExtendedEmailPublisher.java
	src/main/java/hudson/plugins/emailext/ExtendedEmailPublisherDescriptor.java
Fix build issues.
Fix JENKINS- 24063

Add console output to the template testing.