unwrap transactions on milestone post (for UserLevel, UserScript, and User)
Redis cache level_sources
Go back to using real Frozen tutorial, not the static one.
Merge pull request #794 from code-dot-org/unstaticfrozen

Go back to using real Frozen tutorial, not the static one.
don't need to fetch userscript again
Merge pull request #788 from code-dot-org/unwrap-transactions

unwrap transactions on milestone post (for UserLevel, UserScript, and User)
Fix activity success via cache.
Merge branch 'production' of github.com:code-dot-org/code-dot-org into production
No hipchat.
disable hints temporarily
Merge branch 'production' of github.com:code-dot-org/code-dot-org into production
try try
merge production