Issue #2583041 by mondrake, fietserwin, claudiu.cristea, alexpott, smustgrave, catch: GD toolkit & operations should catch \Throwable to fail gracefully in case of errors

Revert "Issue #2583041 by mondrake, fietserwin, claudiu.cristea, alexpott, catch: GD toolkit & operations should catch \Throwable to fail gracefully in case of errors"

This reverts commit 23edd01f.

Issue #2583041 by mondrake, fietserwin, claudiu.cristea, alexpott, catch: GD toolkit & operations should catch \Throwable to fail gracefully in case of errors

Issue #2901730 by mfernea, ankitjain28may, idebr: Fix 'Squiz.WhiteSpace.FunctionSpacing' coding standard

Issue #2572791 by Mile23, andriyun, attiks, RoSk0: Fix 'Drupal.WhiteSpace.OpenBracketSpacing' 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 #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2531570 by mondrake, MattA, claudiu.cristea: Image objects should release memory when losing scope

Issue #2096703 by mondrake, tim.plunkett | tstoeckler: Image toolkits should use PluginFormInterface and ContainerFactoryPluginInterface.

Issue #2272481 by herom, ParisLiakos, tim.plunkett: Remove usages of watchdog() from forms, plugins and controllers.