* add tests for beastMaster, mountMaster, and triadBingo achievements
* add tests for challengeWon, streak, ultimateGear, rebirth, and contributor achievements
* add achievement service that has openModal function
* achievement test pass again
* fix indentation, rename openModal to more descriptive displayAchievement
* add unit tests for achievements service
* initialize user.preferences.suppressModals in specHelper.newUser
* update achievement tests to account for new notification service
* add new achievementServices file to manifest.json
* fix tests
* award wonChallenge achiev like other achievs
* differentiate between small and normal achiev modals
* refactor achievementService.displayAchievement() to take options param