slight refactoring
Merge branch 'master' of https://github.com/Polymer/polymer
Merge branch 'master' of https://github.com/Polymer/polymer

Conflicts:
	src/register.js
refactor polymer into polymer-element
refactor polymer into polymer-element
folderize modules
folderize modules
remove broken submodule
update tools repo
re-conceive technique for inheriting object-valued properties
Merge branch 'polymer-element' of https://github.com/Polymer/polymer into polymer-element
simulate a DOM registry of tag-names to prototypes for inheritance
fix inherited PUBLISHED, logging tweaks
reduce unbind asynchrony, makes testing easier. Revert if there's a good reason for longer delay.
fix incorrect argument signature
adapt to new element properties
update tests (sip)
remove browserstack test config
test: update karma config
make publish block works