filter parameters to prevent sql injection through devise
write custom levels json using natural sort
use age for students instead of birthday
Merge pull request #747 from code-dot-org/custom_levels_json_natural_sort

write custom levels json using natural sort
Level builder changes
archive some report scripts
Merge branch 'finished' of github.com:code-dot-org/dashboard into finished
Merge pull request #748 from code-dot-org/use-age-instead-of-birthday

use age for students instead of birthday [#72354982]
feedback on user account migration doc from geoffrey
Added hints table, referenced from level_source_hints.
fix test
forgot to check in test file
Automatically built.
add columns to the new section summary page; add a 'new' progress page
Merge pull request #753 from code-dot-org/new-section-summary

add columns to the new section summary page; add a 'new' progress page
optimize game-stage count query in script
Merge pull request #751 from espertus/hints

Added hints table, referenced from level_source_hints.
correctly display puzzle (num) of (total) in custom scripts
Merge pull request #754 from code-dot-org/optimize_game_stage_count_query

Correctly display puzzle num of total in custom scripts.
Merge pull request #737 from code-dot-org/fix-devise-sql-injection

filter parameters to prevent sql injection through devise