update PointerGestures
update mdv submodule and adapt Custom DOM elements polyfill to use new template api (bootstrap, createInstance).
optional support for timing/profiling component upgrade via html query string: ?log=upgrade, ?log=upgrade-profile
g-panels: send selected, index in on select event; consider only nodes to be panels.
g-ajax: fixed a bug that caused go to be called more than 1x during upgrade when auto was true.
Any gesture can prevent tap, refactored dependency out of PointerEvents
actually update PointerGestures this time
g-component: accommodate current mdv api for getting a template's content (see https://github.com/toolkitchen/mdv/issues/15)
Use XMLHttpRequest directly

The ActiveX object is only needed before IE7.
Stop using __{lookup,define}{G,S}etter__

This changes copyProperties to use ES5 instead of the proprietary SpiderMonkey
APIs.
* update MDV submodule; alter loader for mdv.
Merge pull request #76 from arv/fix-copy-property

Stop using __{lookup,define}{G,S}etter__
Merge pull request #75 from arv/xhr

Use XMLHttpRequest directly
remove unnecessary check for existence of mdv.
g-component: optimize side effects processing by observing individual properties for changes rather than watching the entire component object.
g-ribbon: update stylings to match more closely with the design
update PointerGestures
g-togglebutton: add support for drag/flick
g-component: must resolve pending changes after binding properties and before resolving attributes.
one test of extending an existing descendent of HTMLElement