Add custom Firefox Profile configuration to tests
chore(server): Add local dev HTTPS certs
fix(tests): Update service-mixin tests.

Fixes #1400.
fix(build): Wait for config to load. Move draggable into a require.js packge.
Merge pull request #1535 from vladikoff/https-certs

chore(server): Add local dev HTTPS certs
Merge pull request #1531 from vladikoff/test-about-accounts

Add custom Firefox Profile configuration to tests
fix(tests): Avatar functional test updates
Merge pull request #1539 from vladikoff/issue-1400-service-mixin-tests

fix(tests): Update service-mixin tests.
Merge pull request #1541 from vladikoff/bloated-bundle

fix(build): Wait for config to load. Move draggable into a require.js pa...
Merge pull request #1548 from vladikoff/avatar-test-fix

fix(tests): Avatar functional test updates
styles(avatar): add arrow to "Manage account" breadcrumb headers
Merge pull request #1550 from mozilla/issue-1491-heading-arrow-character

styles(avatar): add arrow to "Manage account" breadcrumb headers
tests(avatars): fix load paths for draggable dependency
Merge pull request #1552 from mozilla/fix-draggable-path

tests(avatars): fix load paths for draggable dependency