Refactoring and additions related to hint experiments

This goes along with "https://github.com/code-dot-org/blockly/pull/767".
Thanks for catching this.  (I accidentally checked them into the wrong
branch, deleted them, and have now recreated them.)


On Thu, Jul 24, 2014 at 10:16 AM, Laurel <notifications@github.com> wrote:

> In db/schema.rb:
>
> > @@ -32,9 +32,10 @@
> >
> >    create_table "activity_hints", force: true do |t|
> >      t.integer  "activity_id",          null: false
> > -    t.integer  "level_source_hint_id", null: false
>
> where's the migration for this schema change?
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/code-dot-org/dashboard/pull/1065/files#r15359452>.
>