update copyright date. again.

times they are a-changin'
add vendor folder; move files; update asset paths
add bootstrap v3.1.0 files

straight from the dist zip. bootstrap folder is the dist folder.
add bootstrap css file to page
switch to html5 doctype

it's about time, yo.
add jquery 1.11.0; update code

required minor tweak of event object: event.srcElement -> event.target

note: not fully tested
new layout courtesy of bootstrap

docs are tabbed now; output is on right side.
add bootstrap tab functionality
make URL inputs look nicer

use .input-group bootstrap pattern
style iframe a little nicer

remove the default inset look; replace with 1px border.
move "RegreCSS!" button to top of output column

hide "Output" heading.
style button and output area

make button block-level; turn output area into a bootstrap "well"; make
output look better by not overriding the bootstrap styles.
reduce font size of node breadcrumb; make bold

so we can fit more text on a line
add ability to set viewport width

warning: this is a quick hack (CSS- and JS-wise).