adapt to mdv repo reorganization
add Platform.endOfMicrotask
s/Loader/PolymerLoader
eomt to own file
update tests because HTMLElement is removed, callback names changed
rename eomt.js to microtask.js
updated mdv+shadow integration test.
Merge branch 'eomt'
fix endOfMicrotask on FF
make endOfMicrotask work on IE.
adjust for changes to repo names
fix load of microtask to after MutationObserver polyfill
improve assert message.
Fixup grunt file to build SD polyfill correctly
Correct css shimming to match native; extendee styles are shimmed IFF there's a <shadow> element.
shim styles with similar specificity rules as native: extendors override extendees
TemplateInstances -> TemplateBinding
Merge pull request #35 from Polymer/master

8/15 master -> stable