add edit blog_post test
add some tests to blog_post_contoller_test
add reports tests
add errors_controller
passed tests admins controller
fix application_controller
remove trash from users_controllers
remove district method from users
put admins permission
add user_signed_in test
fix some user_controller_tests
fix all tests
add validation to blog_post
add correct 404 page
add error views
fix fail test on report controller
fix fail test report_new