Formatted ting_openformat_theme() for readability and removed 'render element' when 'variables' is present.
setUp() does not take arguments for unittests and include only neccesary files.
Changed worktab hook to return a render array.
Changed ting_openformat_single() to call drupal_render() instead of theme().
Changed ting_openformat_work_view() to call drupal_render() instead of theme().
Change of api for worktabs.
Added ding_id to variables for ting_openformat_subwork_tabs.
Merge branch 'feature/1252-no_clicking_for_missing_material_review' into develop