deleted test code
check unnecessary since users also can ask questions
'hello instructor' added
template for page where user can ask questions
added other options
display course id
check not needed, students can post questions
changed question into question list
student questions
new routes
merge
question list for student added
check not needed since students may ask questions
only display questions asked by user
Merge branch 'groep_acht' of github.com:v1kko/SWE_2013_Groep2 into groep_acht
teacher_id changed to user_id to support questions fro students