Redesigned some parts
Added pdf support and many input validations
lots of fixes
Lots of changes
#94 bug in link
#101 removed link to add guardian
#98 fixed maintenance link
#104 redesign plan page
#103 array error in sending mail to tutor candidates
#106 removed non existing field
#100 show less info on tutor page
#95 only show highlight for admins
#96 restore journal on error
#74 store grade with course on student
#99 contact page for students
$84 only show last journal on student page