refactor(tos-pp): wrap jquery deferreds on tos/privacy pages
Merge pull request #1416 from mozilla/issue-1414-wrap-jquery-ajax-legal

refactor(tos-pp): wrap jquery deferreds on tos/privacy pages

Beautiful.

@zaach - don't forget to update https://github.com/mozilla/fxa-content-server/pull/1413/files#diff-5869372ee85f1dc309d7305957b51fe8R48 for this change.

r+