Creating initial tables in the DB

Signed-off-by: Shivendra Panicker <shivendranitb@gmail.com>
changed isActive to duration of test. this will also tell wheather the
test is active or not and will be more flexible

Signed-off-by: Shivendra Panicker <shivendranitb@gmail.com>
question represents identity of a particular question not questions
hence renaming

Signed-off-by: Shivendra Panicker <shivendranitb@gmail.com>
Creating basic domain classes 

Signed-off-by: Shivendra Panicker <shivendranitb@gmail.com>
Making test as first class member in question

Signed-off-by: Shivendra Panicker <shivendranitb@gmail.com>
Merge branch 'master' of git+ssh://github.com/codelibra/pathshala_BACKEND