Issue #3034072 by kim.pepper, Berdir, alexpott, jibran, larowlan, claudiu.cristea: Move file uri/scheme functions from file.inc and FileSystem to StreamWrapperManager

Issue #2731817 by mikelutz, ashishdalvi, Sonal.Sangale, dbt102, andypost, jhodgdon, martin107, roderik: Replace all calls to the deprecated Drupal::url() function in Core

Issue #2902412 by Jo Fitzgerald, andypost, mfernea, andriyun: Fix 'Drupal.Strings.UnnecessaryStringConcat' 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

SA-CORE-2016-004 by alexpott, andypost, antongp, cashwilliams, catch, Chi, dawehner, dsnopek, Heine, kierheyl, Pere Orga, pwolanin, larowlan, q2u, stefan.r, xjm

(cherry picked from commit 75d6aa33)

Issue #2572777 by andypost, alexpott, attiks, andriyun: Fix 'Squiz.Strings.ConcatenationSpacing' coding standard

Issue #2487588 by YesCT, Leksat, Schnitzel, alexpott, anavarre, xjm: Move CMI import/export directory "staging" to "sync", as it is confused with staging environments

Issue #2572537 by pguillard, a.milkovsky, manauwarsheikh, Eli-T, phantomvish, ifrik, yoroy: Update the UI texts for the Configuration Manager module

Issue #2560783 by stefan.r, joelpittet, lauriii, Cottser, Sutharsan, kgoel, justAChris, Gábor Hojtsy, dawehner, jhodgdon, effulgentsia, xjm, andypost, googletorp: Replace !placeholder with :placeholder for URLs in hook_help() implementations

Issue #1831798 by darol100, pjonckiere, rhuffstedtler, ifrik, paul.linney, rajneeshb, batigolix, jhodgdon: Update hook_help() for config manager module

Issue #2203779 by ivanstegic, pguillard, Xano, Prashant.c, jhodgdon: Improve wording of the configuration import form

This reverts commit 37001445.

Issue #2328411 by dawehner, geerlingguy, herom: Convert all permissions to yml files and permission callbacks.

Issue #2183113 by jhodgdon, effulgentsia, tim.plunkett, herom, larowlan: Update hook_help signature to use route_name instead of path.

Issue #2226903 by pwolanin, dawehner, tvn, martin107, jessebeach: Step 1: Move static menu links to yml files.

Issue #2178725 by pwolanin, crowdcg, effulgentsia, Sutharsan: Make all core menu link machine names and the corresponding route names match.

Issue #2047633 by pwolanin, dawehner, kim.pepper, Xano, amateescu, tim.plunkett: Move definition of menu links to hook_menu_link_defaults(), decouple key name from path, and make 'parent' explicit.

Revert "Issue #2047633 by dawehner, pwolanin, Xano, amateescu, tim.plunkett: Move definition of menu links to hook_menu_link_defaults(), decouple key name from path, and make 'parent' explicit."

This reverts commit 531fd593.

Issue #2047633 by dawehner, pwolanin, Xano, amateescu, tim.plunkett: Move definition of menu links to hook_menu_link_defaults(), decouple key name from path, and make 'parent' explicit.

Issue #2102125 by dawehner, tim.plunkett, neclimdul, pwolanin, YesCT, damiankloip, Tim Bozeman: Big Local Task Conversion.

Issue #2058499 by mtift, BarisW: Added Combine Configuration Management menu items into one main menu item.

Issue #1981368 by tim.plunkett, Crell, webchick: Convert all routes to 'module_name().foo_bar()' naming convention.

Issue #1987660 by dougvann, ygerasimov, vijaycs85, marcingy: Convert config_sync() to a new style controller.

Issue #2017859 by valdo: Permissions export configuration and import configuration are used in config.routing.yml but not implemented.

Issue #1998576 by beejeebus, alexpott, swentel: Make the config import process use full config trees again.

Issue #1944472 by larowlan, quicksketch, effulgentsia: Add generic content handler for returning dialogs.

Issue #1821548 by heyrocker, swentel, Dean Reilly, dawehner, alexpott, vijaycs85, jhedstrom, adamdicarlo: Add a 'diff' of some kind to the CMI UI.

Issue #1864066 by sun, andypost, tim.plunkett: Simplify hook_menu_local_tasks() and MENU_DEFAULT_LOCAL_TASK usage.

Issue #1697256 by heyrocker, alexpott, sun, xjm, webchick: Create a UI for importing new configuration.

This reverts commit 81666e2b. Sorry, did NOT mean to push that; was testing the CMI UI patch.