Working asssociation of tags generically to things like Group, User, etc.
Looks like some of the @JsonIgnore stuff works if you use the fasterxml dependency, not codehaus.

Also Netbeans "Apply Code Changes" works in Tomcat!
Finally! Working Tagging of entities and adding of tags to TagSets (note the distinction)

Need to upgrade jackson-jaxrs-json-provider to 2.2.3 which allows many of the annotations to work, but breaks some pretty printing features.