Issue #561858 by effulgentsia, sun, rfay, Nick_vh, merlinofchaos, katbailey, dereine et al: documentation and tests for drupal_add_js() and drupal_add_css() with the AJAX framework.

- Patch #577950 by marcingy: API-cleanup: Factor module_implements()  parameter into it's own function.

- Patch #1272686 by Paul Simard, bfroehle, beejeebus: convert existing cache_* calls to the new cache()-> API.

- Patch #81461 by catch, pillarsdotnet, beejeebus: clean up the cache API (stop overloading function arguments, remove procedural wrappers).

Issue #276153 by pwolanin, das-peter: Fixed Testing does not work at all when locale of host session is not English.

#754760 by sun, chx, dmitrig01, manarth, EvanDonovan, derjochenmeyer, joachim: Fixed all possible problems with comment links, using new generatePermutations testing function.

#850852 by Damien Tournoud, dmitrig01, chx: Fixed transaction failure and allow concurrent testing on SQLite

- Patch #890128 by carlos8f, sumitk: comment body missing if comment module enabled after a content type module.

#933856 by Damien Tournoud: Fixed xpath() return values are inconsistent, leading to failing tests on some environments.

- Patch #926016 by effulgentsia, chrisshattuck: several bugs when trying to remove files from a multivalued file/image field.

#438224 by dww, sun, netsensei, vordude, et al: 'Post comments without approval' permission name is completely misleading.

#358437 follow-up by David_Rothstein, sun, chx: Disallow invalid text format IDs; force 0 and non-existant formats to NULL.

- Patch #789186 by effulgentsia: improve drupalPostAJAX() to be used more easily, leading to better AJAX test coverage. (Actual commit so we have proper credit.)

- Patch #789186 by effulgentsia: improve drupalPostAJAX() to be used more easily, leading to better AJAX test coverage. (Rollback)