#364564 by cwgordon7: Document hook_ranking().
#364564 by cwgordon7: Document hook_ranking().

joshkoenig/golden-god-demo,edutrul/social-web,edutrul/social-web,edutrul/social-web,joshkoenig/golden-god-demo,edutrul/social-web,lincgr/Prueba,rmcveigh/frontend-dev,edutrul/social-web,brainhell/drupalglass,joshkoenig/golden-god-demo,lincgr/Prueba,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo,lincgr/Prueba,brainhell/drupalglass,brainhell/drupalglass,OccupyWallStreet/streetnet,rmcveigh/frontend-dev,joshkoenig/golden-god-demo,brainhell/drupalglass,brainhell/drupalglass,lincgr/Prueba,OccupyWallStreet/streetnet,OccupyWallStreet/streetnet,OccupyWallStreet/streetnet,rmcveigh/frontend-dev