Add new themed login page. Deleted all old templates
is_correct field data in each Choice
edit position of login button
and background's image
Fix the position of 'signup' link
Sign up feature and tests
Merge remote-tracking branch 'origin/master'

Conflicts:
	accounts/tests.py
	db.sqlite3
Update total score of an user
Merge remote-tracking branch 'origin/Working' into Working

Conflicts:
	db.sqlite3
mutilple-choice page
comment funtion
Merge commit '6d5e66330899b6c0aceb3d885856e4ab18cb70c8' into tmp

Conflicts:
	db.sqlite3
Merge branch 'Working' into tmp

Conflicts:
	db.sqlite3
create user profile when user sign up
Edited some output messages
Update frameworks, update /tracnghiem page
Update /tracnghiem page
A diagram