Cleaned up load method and fixed 'loaded' assignment to use self.
Cleaned up load method and fixed 'loaded' assignment to use self.

jasnow/rails-footnotes,SciMed/rails-footnotes,kbrock/rails-footnotes,josevalim/rails-footnotes,josevalim/rails-footnotes,josevalim/rails-footnotes,jasnow/rails-footnotes,jasnow/rails-footnotes