profile page css/html refactored
edit_profile page css refactored
login page css refactored, and minor changes in user_html
registration page css refactored, minor changes to login css
friends page css refactored
freinds page css refactored
finished off css refactor for now, side nav could still be tinkered with, but not urgent
Add url access to other authors' profiles

Other author's profiles can now be accessed using the url

    /author/profile/<username>/
Usernames in search results now link to the user's profile
Usernames in manage friends now link to their profiles
can't see edit profile button anymore if it's not the author's profile
HTML and Markdown in posts now works by converting Markdown to HTML
Merged in frontend stuff