Issue #2927844 by Jo Fitzgerald, quietone, heddn: Correct references to 'iterator' plugin to be 'sub_process'

Issue #2901726 by mfernea, gmario, finn.lewis, robertoperuzzo, rachel_norfolk: Fix 'Squiz.Functions.MultiLineFunctionDeclaration' coding standard

Issue #2901739 by andriyun, Jo Fitzgerald, mfernea, xjm: Fix 'Squiz.Arrays.ArrayDeclaration' coding standard

Issue #2833206 by quietone, heddn, maxocub, Jo Fitzgerald, joelpittet, phenaproxima, jibran: Convert Migrate's cckfield plugins to use the new field plugins

Issue #2488860 by alexpott, dawehner, catch, Mile23, jgeryk, claudiu.cristea, daffie, jibran: Bring phpunit bridge into drupal and use it for unit tests and simpletest to handle Deprecation

Issue #2849861 by masipila, joelpittet, jeffwpetersen, xjm: D6 text area formatting settings not respected when migrating to D8

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Revert "Issue #2683435 by hussainweb, mikeryan, quietone, alexpott, michael_wojcik, phenaproxima, benjy: Consider renaming Migrate's cckfield plugins"

This reverts commit 24f816a1.

Issue #2683435 by hussainweb, mikeryan, quietone, alexpott, michael_wojcik, phenaproxima, benjy: Consider renaming Migrate's cckfield plugins

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2676222 by alexpott, johnrosswvsu: Move MigrationInterface out of the migrate\Entity namspace now they are plugins

Issue #2324649 by phenaproxima, svendecabooter, benjy, Berdir: Migrate text fields correctly based on their text_processing setting

Issue #2588827 by phenaproxima, neclimdul, svendecabooter, benjy, mikeryan: CCK migrations seem to have trouble with some checkbox types