Fixed #96
Fixed #95 removed all references to xlsReport
Fixed #91
Added link to benchmark grade details on view student
Just reused existing "family_grade" view but added
explicit student selection option only for staff
Updated requirements.txt to include dajaxice version compatible with Django 1.5
Fixes #98
dajaxice issue already fixed by 36ec5bb2ede7e99fe07c936e4d7f2901e451b075
Closes #100
Improved error message handling in gradebook
Temporary hack: don't show grade substitutions on report cards
Merge branch 'roche-hack' of https://github.com/burke-software/django-sis into roche-hack