Update screens.js

Fix the wrong score/cook condition displayed for the core on the score screen.
Update ui.js

Frills bonus was supposed to be 5% not 5x. This change makes it more in line with its price to buy.
Merge pull request #3 from fernjager/dialogueChanges

Fix Score Screen bugs and inbalences
Merge pull request #4 from fernjager/master

Post competition bugfix deploy