Merge pull request #30 from bwg/editor-style

Editor style
editor-style: use _node.style instead of node.getStyle

These nodes aren't in the DOM, getStyle() won't work...at least on any windows browser.  works fine on OSX. weird.
build sm-editor-style
editor-queue: seed the queue with existing styles

when queuing styles, seed the queue with existing style so we apply any existing styles as well as new ones when flushing the queue