Added fireworks particle emitter.  Added methods in the DataStore class that convert to and from an NSDictionary to simplify saving with JSON later.
Small changes
Added allocation to the convertToDictionary function in the DataStore, fixing the bug.
The save command now writes to the save1.json file.  Not positive whether it is working or not.
Merge branch 'achievementsInModel3' into ImplementSaving
Merged and fixed minor problems that resulted from merge.
Merge remote-tracking branch 'origin/achievementsInModel3' into ImplementSaving
Saving now works except for badges.
Saving fully implemented
Merge branch 'ImplementSaving' into achievementsInModel31