reorganized navigation to be research, patients, and blog
removed disabled nav from logged out
made sidebar navigation show active state, and added descriptive text to each site section
made navbar no longer sticky to top and made sidebar links have more accurate text
fixed account page crash
social nav now supports logged out users more properly
upgraded font awesome; and improved design of research voting to be stars, not upvote downvote
made navbar active states work and added pagination to research topics
fixed bug on admin page
added badges to sidebar navigation