Show the quiz's playing scores(points).
convert nil dat to 0.
REVERT TOTAL POINT AT LAYOUT VIEW.
REVERT again
REVERT again
Merge pull request #103 from not001praween001/about-the-total-point

Show the quiz's playing scores(points).
Merge pull request #104 from not001praween001/about-the-total-point

REVERT TOTAL POINT AT LAYOUT VIEW.
show TotalScore
add authentication check
Merge pull request #106 from yuchan/show-totalScore

show TotalScore
run rake assets:precompile