Add a flash card with examples
Remove tools partial and other old crap
Forgot a few null constraints to nuke
Started remaking flash cards
Make flash card toolbar buttons do something

Navigation works and hide/disable logic works. Cog toggles config, but
the config logic isn't wired in.
Add hide/reveal flash card content

Click to toggle reveal works
Quiz preferences!
Added flash card difficulty and is now sent back
Refactor quiz coffeescript
Give more room for quiz ui, make things bigger
Make saving difficulty work
Set difficulty of card can't be set when no cards
Fix drill @user usage, new user/flash card form
Fix yaml files, don't prepend class name

I haz derp'd
Remove saving in-progress cards in local storage

If the creator screws up, they screw up. This feature just makes
problems come up.
Fix stupid typo, can't mark flash card as easy
Fuck cookie paths. Use localStorage instead.

Fixed typos in flash_cards/_form
Remove pinyin/jyutping for examples/lyrics

Pronunciation in excess of a few words is annyoing to write. Google
translate doesn't use the same format as this. Even if it is for display
purposes only, I don't see much value especially since it is specific to
the dialect of the song.
Work on song form, remove @error from things
Got timing editor rendering