Merge pull request #18 from toolkitchen/master

4/17 master -> stable
fix typo in README
Merge pull request #20 from bsatrom/stable

fix typo in README
Updating README from master
Refactor element upgrade and insertion/removal watching into a unified observer system
rename some methods in Observer.js, improve comments
document.register only triggers document-wide upgrade when called after initial load is complete, pre-load-complete registrations are processed in one step on load-complete
Merge branch 'master' of https://github.com/toolkitchen/CustomElements into observer
Merge commit '2c80460' into observer
Merge pull request #21 from toolkitchen/observer

Merge Observer Refactor
s/removedSubtree/removedNode, must remove node and subTree
cleanup tests
cleanup tests
cleanup tests
Avoid processing style elements that are already in the main document.
fresh buildbot/tools
freshen submodules
freshen buildbot
test: update to karma-0.9.1
add some primitive timing data