Add paper elements and a few others to the repo configs

Fixes #30
Closes #31
Release names!

Add paper elements to release script
Update paper.json

Remove deprecated and never published paper-scaffold
Adapt to new iconset layout

Remove Adobe's "save for web" nodes
Add google-code-prettify lib checkout, required by core-doc-viewer (and
core-component page).
Fix typo.
Add prettify-element to pull-all.
Move google components to GWC
Merge pull request #33 from Polymer/movetogwc

Move google components to GWC
add core-dropdown
add polymer-test-tools
move a few repos to deprecated
add firebase stuff for topeka; remove google-code-prettify from core.
Remove extra "," that causes pull script to fail
add swipeable-card
add core-popup-menu
add paper-dropdown
add github for github-elements.
correct syntax
Include layout.html in build