Adds Song::top and Song::recent_top methods to find songs by score.
Adds Album::top and Album::recent_top
Refactors Album::score, Album::recent_score, Album::top, and Album::recent_top.
Refactors to eliminate #total_votes functions (rendered redundant by #score)
Adds recent_content function to root_helper. Returns the n most recent Models.
Adds a Recent Content section to the front page.