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

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

Issue #2751325 by damiankloip, Grayside, dawehner, Wim Leers, catch, tedbow, alexpott, himanshu-dixit, Jo Fitzgerald, xjm, andrewbelcher, skyredwang, effulgentsia, hampercm, eelkeblok: All serialized values are strings, should be integers/booleans when appropriate

Issue #2758897 by Wim Leers, damiankloip, larowlan: Move rest module's "link manager" services to serialization module

Issue #2427637 by Mile23, keopx, naveenvalecha, marvin_B8: Remove usages of deprecated entity_get_bundles()

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

Issue #2641588 by naveenvalecha, Mac_Weber, dimaro, heykarthikwithu: Replace deprecated usage of  entity_create('file') with a direct call to File::create()

Issue #2364157 by mpdonadio, dawehner, martin107, Berdir, pcambra, naveenvalecha, tim.plunkett: Replace most existing _url calls with Url objects

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).