add tests for ShoppingCart
fix findbugs warnings
tests for ShoppingCartController
add test for OrderStudyDataController
add OrderStudyDataService tests, add checks to OrderStudyDataService
add AccountController tests, fix bug in RegisterRequest
remove unused bean, update doc
add tests for AccountService
disable load modal if anchor has class disabled
resolve warning during startup
disable order button if not logged in
rename button
Merge pull request #237 from dennishendriksen/master

Tests for various controllers/services + bug fix