moving the helper functions around, changing the exception type thrown to be a MinkExeception. That needs to happen about 500 more times

Adds a step for accepting the terms of service on the user profile, and removes redundant screen capturing code that is provided by Mink already.

Converted remaining tests to use Drush user accounts, and flagged all tests as "failing" if they currently fail.

WIP moving this to use the drush users. Dependent data that gets deleted between tests is problematic. Probably need to combine scenarios.

Combined scenarios to eliminate cross scenario dependencies, and converted the user creation process to use drush to create users and grant roles

Fixed the forum_file_uploads feature to actually go into a forum before looking to add a new forum topic.