Update main menu text
Update main menu text
Update support menu
Update about page text
Update thank you copy
Update SMS copy
Update ringback to new options and copy
Add exit from ringback tests
Apply promises fixes from Twitter line feedback
Add ringback to survey flow tests
Move download URLs and dialback to config
Merge pull request #6 from praekelt/feature/issue-6-more-USSD-copy

More USSD Copy