Merge pull request #82 from jamesyothers/master

refactor deleteOldGameData.js
fix(Game.js): Fix messages
Updated hero.name to replace hero.id in a few messages that I missed in the last commit
Merge pull request #83 from gjtrowbridge/fix-messages

fix(Game.js): Fix Messages
Update .gitignore
Update .gitignore
fix(run-daily-games): Only pull users with ports.
Merge pull request #84 from gjtrowbridge/only-pull-users-with-ports

fix(run-daily-games): Only pull users with ports.
Update damage parameters
Add extra damage for moving into enemy heroes, nerf damage for hitting adjacent enemies
Add ability for friendly heroes to heal each other
Add comment for healing/hurting heroes
Merge pull request #85 from gjtrowbridge/update-rules

feature(Game, Hero): Add ability for heroes to heal each other
feature(save-user-stats): Add health given stat to users
Merge pull request #86 from gjtrowbridge/add-health-given-stat

feature(save-user-stats): Add health given stat to users
add recent and lifetime stats to leaderboardCollection
leaderbardCollection insert refactored