removed marketing box and updated text; see https://github.com/GigaOM/legacy-pro/issues/4373
removed outdated video and social sign-in links; see https://github.com/GigaOM/legacy-pro/issues/4373
Merge branch 'master' of github.com:GigaOM/go-subscriptions into github-4373
removed a unit test condition that's not set up correctly in the phpunit environment
added an "a". see https://github.com/GigaOM/legacy-pro/issues/4400
Merge branch 'master' of github.com:GigaOM/go-subscriptions into github-4373
get more signin messages from the config file
Merge branch 'master' of github.com:GigaOM/go-subscriptions into github-4373

Conflicts:
	components/templates/signup-form.php
text update; see https://github.com/GigaOM/legacy-pro/issues/4438
Merge pull request #27 from wluo/github-4373

HOLD for Freebird-v2: Updated text on Sign-up and Thank-you pages