Fix broken frontend test in donation.
Merge pull request #521 from benkonrath/donation-tweaks-2

Fix broken frontend test in donation.
Change from expertise to skills through fks
Add skill to task (ember and db)
Add classname to slides
Change to dkimpy
Fix tag skills + tests
Small fix for projectlist test
Mailings for tasks and fixes for wp mails
Have unique project titles across multiple tests
Merge pull request #522 from gannetson/task-mailings

Task mailings