SA-CORE-2016-005 by larowlan, xjm, David_Rothstein, Dave Reid, Crell, cilefen, alexpott, mlhess, catch, pwolanin, YesCT, dawehner, quicksketch, Heine, znerol, charlotte.b, jnicola, ezraw

(cherry picked from commit c5da97f9)

Issue #2572801 by alexpott, vprocessor, andriyun, andypost, chishah92, Mile23, attiks, hussainweb, klausi, dawehner, pfrenssen: Fix 'Drupal.WhiteSpace.ScopeIndent' coding standard

Issue #2787577 by alexpott, dawehner: When tests use multiple namespaces they should do so in a coding standards compliant way

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

Issue #2560137 by dawehner, pwolanin, klausi, tsphethean, sun: Posting an array as value of a form element is allowed even when a string is expected (and bypasses #maxlength constraints) - first step: text fields