Improved LevelSourceHint retrieval.
Added pagination.
Temporarily check in work on improving hint admininstration.
Now updates hint text on index.
Undid experimental changes.
Allowed showing of hints by status.
Added authentication.
Renamed level_source_hints/index; properly checked for source: CROWDSOURCED.
Completed rename of index -> review_hints.
Removed dead experimental code.
Minor improvements, after viewing at github.
handle sections with assigned scripts in progress API
Merge finished
Merge branch 'script-section' into finished
open section login page to non-admins
Merge pull request #1135 from code-dot-org/open-section-login

open section login page to non-admins
section progress pixel poking for long stage names
use minimum pass result instead of 100 in progress so it works for freeplay levels
Automatically built
Update level blocks XML formatting