fix(tests): update legal and tos tests to work under slow conditions
restore these two pages, since #1139 has been fixed
Merge pull request #1201 from jrgm/add-back-test-500-503

restore these two pages, since #1139 has been fixed
Merge pull request #1202 from vladikoff/tos-legal-test

[wip] fix(tests): update legal and tos tests to work under slow conditions
refactor(strings): add change password messaging
Merge pull request #1208 from mozilla/issue-996-change-password-messaging

refactor(strings): add change password messaging
test(oauth): updates to oauth signin / signup functional tests
Merge pull request #1200 from vladikoff/oauth-test-update

test(oauth): updates to oauth signin / signup functional tests