creates child history action in supervisor controller.
that gets all the children of the supervisor #268.
creates the view of children history action and the needed routes #268
banning supervisor from posting and commenting #271
done with documentation #271
Update comments_controller.rb
Update posts_controller.rb
Update _form.html.erb
Update comments_controller.rb
Update supervisors_controller.rb
Update post.rb
Update children_history.html.erb
Update _show.html.erb
Merge pull request #384 from yousraHazem/C1_S12_children_profile_view_for_supervisor

12 - As a parent I have an access to my child’s home page