bump ChangeSummary to use PathObserver.defineProperty
bump ChangeSummary
fix submodule path
extract template element from attribute templates

R=arv@chromium.org
BUG=

Review URL: https://codereview.appspot.com/9193046
Disallow template instances when !parentNode || !owner.defaultView

R=arv@chromium.org
BUG=

Review URL: https://codereview.appspot.com/9402043
toolkitchen -> polymer-project
Merge branch 'master' of github.com:polymer-project/mdv
fix submodule paths
update buildbot
Implement full DOM stability

R=arv
BUG=

Review URL: https://codereview.appspot.com/9337044
url fix
Merge branch 'stable'
Merge pull request #68 from Polymer/master

5/14 master -> stable