features:
search for universities using majors ---->
search for majors using career to get the majors leading to a career ---->
search for a university by a name ---->
search for a major by a name ---->
search for a career by name ---->
search for a review by university
search for a review by titile
search for a user to get all his reviews ---->
search for an active working group by name ---->
search for active working groups by type to get all active working groups of type ---->
register --->
log in   --->
needs testing:
add a review --->
 comment on a review --->
comment on a university page --->
comment on a career page --->
comment on a major page --->
change profile picture --->
like a review or a comment-->
delete account

suggest changes to a description of a university

add new review to a reviewable object updating databases and dependencies
search for a review by university or a title
search for activeworking groups by university or by name

filter searches by:
rating
date for reviews
area or country