Merge pull request #2 from rising-thunder/cilop

Fix moving between screens socket bug
Start to add functionality for hero to shoot arrows
Start to add functionality for hero to shoot arrows
Comment out socket stuff so that front end works
Merge socket changes
Add arrow functionality, shoots 5 arrows, damages enemies successfully
Add arrow functionality, detect collisions with enemies. 5 hits kills enemy
Accept changes for socket
Enemy takes 5 damage before dying
Add bullet image for arrows
Merge pull request #3 from rising-thunder/acjones617

Hero can now shoot arrows
Delete cached versions of files
Ignore all JS files
Exposes db connection to socket handler
Saves user data on logout
Fix upper limit in x,y coords in db schema
Merge upstream
Merge arrow changes