UNFINISHED, Grab To-Read from Goodreads
Add carousel of goodreads 'to-read' shelf to user_profile.
Fix goodreads 'shelves' route to pull books from goodreads profile.
Add favicon to site (this probably shouldn't be in this commit).
Many files. Wow.
Add GR to-read shelf to user_profile
Merge pull request #100 from tiger-swallowtails-2014/gr_toread_shelf

Gr toread shelf