Merge branch 'US15'
kwchen3 hlim10: renamed stats and log activities, and junit test classes
Merge branch 'master' of https://github.com/kevinwchen26/ToDoRPG
jcheng26 ssong55: Added interactive part to battle tutorial
Merge pull request #8 from kevinwchen26/US13

jcheng26 ssong55: Added interactive part to battle tutorial
fixing library bug
Merge branch 'master' of https://github.com/kevinwchen26/ToDoRPG
lchen59 paulkim6 : fix minor bug
Merge branch 'master' into US15