refactor comment about IG feed
updates to header sizes in user dashboard views
bullet gem in development
configure bullet gem in development
users_controller #student_dashboard instance variables includes eagerloading of other resources as recommended by bullet gem
updates to lesson_material view
add can :update StudentMaterial for regular users where it belongs to them
_lesson_materials view adds form for each student_material so the student can add/edit notes
route for #update on student_materials and corresponding controller
application helper has helper method to determine if generate tag should be active
user navigation uses nav_link helper
simplify navigation to simply read dashboard
dropdown nav for signed in users using bootstrap
updates to devise registration form
move profile photo to top of registrations
add devise helpers into application helper for sign in dropdown
change sign up to create an account
remove Log In and Sign Up from devise/shared/links
nav bar renders new sign in drop down partial
age field goes before country select