Merge pull request #15 from wluo/freebird

Freebird
Merge pull request #16 from wluo/freebird

restored the behavior where we show the CC form to unauthenticated user who entered an email of a non-subscriber user
Merge pull request #17 from wluo/freebird

sync the freebird branch on GigaOM
updated the call to go-sitelock's singleton