Issue #2829185 by vaplas, Jo Fitzgerald, anmolgoyal74, chipway, gaurav.kapoor, mark_fullmer, amit.drupal, cilefen, longwave, xjm, wturrell, anavarre: Fix spelling errors in Drupal core comments

(cherry picked from commit 2dabd1de)

Issue #2912353 by maxocub, alexpott, heddn, phenaproxima, quietone: Handle menu_items related to Drupal 6 and 7 node translations with different IDs

Issue #2817833 by Jo Fitzgerald, chiranjeeb2410, ckaotik, vaplas, svendecabooter, aleevas, bhanuprakashnani, heddn, quietone, mikeryan, alexpott, catch: Delay sql map table creation

Issue #2687843 by quietone, heddn, Jo Fitzgerald, alexpott, piggito, mallezie, mikeryan, xjm, phenaproxima, benjifisher, webchick, Gábor Hojtsy, masipila, benjy, abhishek-anand, catch: Add back incremental migrations through the UI

Issue #2876085 by heddn, maxocub, phenaproxima, Jo Fitzgerald, vasi, quietone, yoroy, masipila, larowlan, neclimdul, krystalcode, catch: Before upgrading, audit for potential ID conflicts