Deleted sticky nav bar and moved raphael files.

-Deleted sticky nav bar in animation.js because it was annoying
-Moved all raphael related files to vendor/bundle/raphael
-added a test1 and test 2 for stats page in server.rb for the purposes of raphael graphs.
Separated wysf.rb file and created michelangelo.js

-Split wysf.rb into wysf.rb and wysf_repo.rb
-wysf.rb is under lib/entity and now contains the DataEntity class.
-wysf_repo.rb is under lib/repo and now contains the DataRepo class.
-Added method get_all for DataRepo for the purposes of statistical analysis in michelangelo.js
-Added wysf_helper.rb for pathing convenience.
-Created michelangelo.js, which will be used to create g.raphael charts to display on stats.erb.