Issue #2465751 by andypost, JeroenT, RavindraSingh, tim.plunkett, Berdir: Remove config_test_load() and replace with entity_load

Issue #2321599 by Temoor, rpayanm, subhojit777, vineeth@nair, LinL, pcambra: Replace all instances of comment_load(), entity_load('comment') and entity_load_multiple('comment') with static method calls

Issue #2322063 by Temoor: Replace all instances of shortcut_set_load(), entity_load('shortcut_set') and entity_load_multiple('shortcut_set') with static method calls.

Issue #2054213 by StephaneQ, andypost: Deprecate comment_load_multiple() in favour of entity_load_multiple().

Issue #2006636 by tim.plunkett: Fixed menu_contextual_links() will always return a link to the MENU_DEFAULT_LOCAL_TASK, never the parent.

Issue #1844146 by Berdir: Fixed comment_load() call in template_preprocess_comment() re-loads comment parent entities because of disabled static cache.

Issue #1864066 by sun, andypost, tim.plunkett: Simplify hook_menu_local_tasks() and MENU_DEFAULT_LOCAL_TASK usage.

- Patch #195072 by webchick and coltrane: make _comment_load() a public API function by renaming it to comment_load().

#177497 by chx and Desbeers: revive Drupal 5's menu_set_location() functionality by introducing menu_set_item() (for consistency in function naming), thus fixing a regression in the current development code. Also fixing some misuse of menu_set_location() by using drupal_set_breadcrumb() instead.

#177497 by chx: revive Drupal 5's menu_set_location() functionality by introducing menu_set_item() (for consistency in function naming), thus fixing a regression in the current development code

Bugfix: user timezone-selection now uses the site's configured date_format_long value rather than a hardcoded one.