centralized follow/unfollow logic in contact card to improve feedback when the user performs any of those actions

Signed-off-by: Henrique V. Ehrenfried <hvehrenfried@inf.ufpr.br>

Lucas Eduardo Schoenfelder authored 4 years ago and mrp19 committed 4 years ago

added Teacher div to header; added Report Menu to tabs; wip fix to follow/unfollow and followers count buttons