add comment to shim.html
add modernize and update template.html to include modernize
update modernizr comment in template.html
add modernize-custom.js
add modernizr_load.html

an example on how to test for an HTML5 feature and if not found then
load a polyfil.js to allow for it.
add history_push.html
add history_pop.html
add history_example1.html
update history_example1.html with updateHistory function