Basic students edit view refactoring
Fix some acceptance specs for teachers
[core] Fix contacts_count in Contact model
Improve students edit views
[archive] Fix feature specs
Add student_selection to students edit view
[core] Make feature auth_helper to take symbol or object
[frontend] Improve student_selection featture spec
Clean students_controller
[frontend] Add specs for search action in students_controller
[core] Try to fix simple_grade factory issues
[core] Fix simple_grade_type factory
Merge branch 'staging' into refactor_students_view
[frontend] Add ajax picture upload to students edit view
Merge branch 'master' into staging
Merge branch 'staging' into refactor_students_view
Refactor guardians views and controller
Fix student show view
[admin] Add sleep to admin/spec/features/templates_spec
[archive] Fix failing specs after guardians refactoring