added 'webp' target to build script that converts all images to webp format.
converted all .png images to .webp format.
updated modernizr to include detection of support for webp and removed unused detections.
site logo now defaults to loading a .webp image, then falls back to .png when .webp is not supported.
calendar & tag icon are now loading webp images when browser supports them, otherwise .png images are used.
social media icons are now loaded using webp.
improved fallback for browsers that don't support webp, no longer a flicker and doesn't make requests for .webp images before replacing with .png images.
removed jQuery.
removed main.js.
removed comments from modernizr.
removed typekit and heading fonts no longer used font loaded via typekit.
Merge branch 'remove-typekit'
Merge branch 'remove-jquery'
images that don't have the data-src attribute are ignored when determining whether image should load .webp or .png.
moved vars to the top of the function as per jslint suggestions.
site images still display when JavaScript has been disabled.
renamed header image to me.png.