[GREENFOOT-477] Add Java/Stride usage information in phone home request
As discussed in the meeting, store a list of Java ClassTargets and Stride ClassTargets opened during a particular run of Greenfoot, and on next load, if these properties are present, include them in the phone home (and reset them to zero)
Issue metadata
- Issue type: Task
- Priority: Highest
- Fix versions: 3.0.2