Add more to header navbar
  -Display differently if signed in or not
Change bootstrap files to fix navbar padding
Use helpers.php display_page_header() to show header
Redirect sign out to index
Sign out set username to blank
Fix bug in nav
Modify comment in config.php
Make dropdown menu in navbar for signing out
make make_profile_dropdown() function
change make_navbar() to make_top_bar()
Make make_sidebar() function.
  -Format sidebar as pills
Modify index.php to eliminate redundancy