remove unused comment
Use --csp with vulcanize
this is for ios/polyfill perf. The polyfill moves over scripts to the main document, which can be a big perf it on mobile
modularize homepage css a bit more and remove polymer-ui-toolbar usage
Merge branch 'master' into perf

Conflicts:
	css/site2.css
Merge branch 'perf' of https://github.com/Polymer/docs into perf

Conflicts:
	_includes/footer.html
	css/site2.css
perf version
iOS jank fixup
- ensure side-bar can scroll
- fix polyfill rule for toolbar height
- git rid of iOS gray tap flicker
iOS jank fixup css
Convert docs-menu to use core elements
Merge branch 'perf' of https://github.com/Polymer/docs into perf
iconsets folder no longer exists
use newly added github icon instead of our own
Update github icon on homepage
Use core icon set instead of old svg images. Fixes sizing issues
Remove old picons
Use video thumbnail placeholder over YT player. Fixes #455
Crush images
Fixes #547
Add back task for just running server
update config for jekyll 2.0 changes