add logic to Location class
Added Users table and db creation.
Added working login/signup functionality.
add logic to the app
Work on UI: navigations tabs, etc...
make comments to the Question class
remove Dash.java
add the constructor function to Location, Hint, Question, User
add the update/lookup functions to Location, Hint, Question, User
add basic fields to Request class
add function to query in DB_Function.php
add functions to get info from the tables in DB_functions
Added table creation queries.
Merge branch 'master' of https://github.com/khoanguyen793/Webapps
Add query function to php files to query data
Updated User Interface and added features
remove sampleApp folder
Add back the src and res folder for sample app
add menthod to query question table
add all php files to communicate with database