backport to v2.7

Allow use of AchievementList property
Earn Kisses for #6

Earn 1 for each unlocked Achievement.
Flash kiss symbol #6

Each time an Achievement is earned, flash the icon to a kiss symbol.
Purchase decks for kisses, closes #6
Currencies on ActionBar

... and reorder to fit and overflow correctly.
Save settings off-site, fixes #33

(I hope...)