Merge pull request #8 from nealcpeters/working_on_stuff

Working on stuff
add a basic ajax call
Merge pull request #9 from nealcpeters/building_out_ajax

add a basic ajax call
working ajax call on home page
Merge branch 'master' of https://github.com/nealcpeters/ScienceHackDay into building_out_ajax
Merge pull request #10 from nealcpeters/building_out_ajax

Building out ajax
adding calculations
added js files
Merge branch 'master' of https://github.com/nealcpeters/ScienceHackDay into working_on_stuff
added composition comparisons
calculations print to screen as test