Merge branch 'Gabe-testing'
show check mark or wrong mark for word problem
initiate start position of enemy

also delete some useless code and documents
Deleted a file
Fixed issue with player and asteroids

Player can no longer get caught on asteroids also players cannot walk
through asteroids right now if a player tries to walk through and
asteroid the player will be pushed back.
enemy version 3: move randomly
enemy update every 0.5s  changed to 1s
change content of BoardX,Ycoord

now BoardXcoord and BoardYcoord represent the exact positions of numbers
on the board
minor bug fix of board coordinates
Feedback now for correct answers
Player can now be killed

Player can be killed by either being caught by enemy or for selecting
the wrong answer. As of now no new player will be created
Player will now respawn after death
Player Bug fixes
More Player Bug Fixes
Bug fixes for player again!
Merge branch 'master' into Gabe-testing