Update config.js
Update gcm.js
Merge branch 'gh-pages' of github.com:oauth-io/content into gh-pages

Signed-off-by: Thibaud Arnault <thyb@oauth.io>

Conflicts:
	dist/gcm.js
	js/config.js
Merge branch 'gh-pages' of https://github.com/thyb/content into gh-pages

Signed-off-by: Thibaud Arnault <thyb@oauth.io>

Conflicts:
	dist/gcm.js
Merge branch 'gh-pages' of https://github.com/thyb/content into gh-pages
add firebase key

Signed-off-by: Thibaud Arnault <thyb@oauth.io>