cleaned up singleton
Merge branch 'master' of https://github.com/PRCSE/JamJar
Merge branch 'master' of https://github.com/PRCSE/JamJar
fixed flags
properly fixed flags

tiredness leads to mistakes...
commented the majority of classes in JamJar

data model packages not included
Merge branch 'master' of https://github.com/PRCSE/JamJar