Merge pull request #32 from prathamesh920/question_paper_creation_interface

Question paper creation interface
Merge pull request #33 from prathamesh920/initial_fixtures

Added initial fixture.
Merge pull request #34 from prathamesh920/reusable_app

Reusable app
setup.py and readme files updated
minor change
minor change
redirect to dashboard after exam.

After exam is over or time-out the user is redirected to the result
page.
The user is not logged out. Current time is checked with the quiz end
time, so that the user cannot reattempt the quiz.
fixed minor issues in css.
Merge branch 'master' of https://github.com/FOSSEE/online_test
Merge branch 'app_package'
Merge branch 'redirect_result_view'
Models and views modified.

Added number of attempts option for quiz.
Also days lag between two attempts.
added test status and attempt number for the test.
Removed profile foreign key from answer paper models
since user foreign key is present in the answer paper model.
Urls slightly modified to include attemt number for a given quiz.
Merge branch 'models_modification' into HEAD
Merge branch 'tomergewithmaster'