Merge pull request #1 from carrywind123/master

Deleting unnecessary files and adding new chatroom feature
Fix a bug where Chinese was unable to save to chat.txt
Merge pull request #2 from carrywind123/master

Getting "send" button working
Fix another bug in chinese...
added some db functions

now every time a user enter in username, it inserts to the database
table with the username.
Added file

PLEASE READ LOG FILE
added a line
Update process.php