Issue #942782 by pillarsdotnet, becw, xjm, timhilliard, JohnAlbin, jrchamp, Tor Arne Thune, et al: Fixed Custom menus never receive an active trail.

Issue #348448 follow-up by jrchamp, catch: Fix E_STRICT errors and set Drupal 8's default error reporting to E_STRICT to prevent further regressions.

- Patch #839556 by dalin, jrchamp, effulgentsia, dmitrig01, David_Rothstein: fix isset regression in tablesort, add tests, and cleanup theme_process_registry().

- Patch #839556 by dalin, jrchamp, effulgentsia, dmitrig01, David_Rothstein: fix isset regression in tablesort, add tests, and cleanup theme_process_registry().

- Patch #521838 by catch, jrchamp, CorniI, sun | Damien Tournoud, drewish, chx, moshe weitzman, yched, Dries: drupal_get_schema_versions() took 30% of page execution time on /admin.

#395472 follow-up by catch, boombatower, and jrchamp: Remove failing test to make way for testing suite 2.0.

- Patch #243129 by jrchamp, DamZ, mfb, catch, justinrandell, macgirvin, et al: faster implementation of format_date(). Woot.