Added reward data to quests, and improved UI.
Quests are now functioning, and starting values reflect quests.
Removed rank from world map state and tutorial.
Fixed triggering of ChallengeModeIntroState.

Improved clarity of intro tutorial. Some players got stuck not realizing
they needed to move to advance the tutorial.

Made it clear that you can press Q to pause and quit intro tutorial.

Lowered Hive 1-1 and intro tutorial score.
Fixed bug where quests were triggering whenever we quit a level.
Improved options menu UI. Added hover overlay.
Fixed numerous bugs.

Swapped worlds for a couple of world-specific quests because beating 1-1
in Normal under 30s is too easy.
Some fixes to make JS minification work.