polymer.html should be included in the element level, not in the app level
Merge pull request #13 from zenorocha/patch-1

polymer.html should be included in the element level, not in the app level
shouldn't need touch-action="auto" anymore
add core-dropdown
remove deprecated core-layout
add core-ajax metadata
add core-popup-menu demo
audit license headers
Change core-dropdown to core-dropdown-menu
Merge pull request #15 from MaxBareiss/master

core-dropdown -> core-dropdown-menu
Merge branch 'master' of https://github.com/Polymer/core-elements

Conflicts:
	bower.json