Issue #2291505 by joshi.rohit100: Fixed ParserInterface class contains FetcherInterface documentation.

Issue #2293105 by vijaycs85: MigrateActionConfigSchemaTest duplicates all its code from SchemaCheckTestTrait.

Revert "Issue #2097123 by slashrsm, roderik, mgifford, pfrenssen, andypost, das-peter | larowlan: Deprecate comment_num_new() in favour of method on CommentManager."

This reverts commit 6532718c.

Issue #2097123 by slashrsm, roderik, mgifford, pfrenssen, andypost, das-peter | larowlan: Deprecate comment_num_new() in favour of method on CommentManager.

Issue #2111357 by marcingy, andypost: Get rid of comment_count_unpublished() in favor of CommentStorage method.

Issue #2292889 by Berdir, tim.plunkett: Fixed ContextHandler does not expect ContextDefinitionInterface.

Issue #2016629 by larowlan, neclimdul, sun, alexpott, jibran, ParisLiakos, donquixote, effulgentsia, msonnabaum: Refactor bootstrap to better utilize the kernel.

Issue #2290281 by er.pushpinderrana, amitgoyal, joshi.rohit100, nick_schuch: Make plugin type Tip developer info more discoverable

Issue #2282153 by vijaycs85: Make all config.storage.active &  config.storage.file services private.

Issue #578400 by aaronschachter, melsi, Gábor Hojtsy, valthebald, idflood, sign, Damien Tournoud: Fixed Display the page title, even if 0.

Issue #2016629 by larowlan, neclimdul, sun, alexpott, jibran, ParisLiakos, donquixote, effulgentsia, msonnabaum: Refactor bootstrap to better utilize the kernel.

Issue #2289095 by larowlan | pingers: Fixed Frontpage view, feed display renders the node comment form.

Issue #2281635 by fubhy, er.pushpinderrana, EclipseGc, blueminds, tim.plunkett: \Drupal\Core\Plugin\Context\Context should use a ContextDefinition class instead of arrays.

Issue #2290279 by joshi.rohit100, er.pushpinderrana: Make RestResource plugin developer info more discoverable

Issue #2290263 by joshi.rohit100, amitgoyal, er.pushpinderrana, cs_shadow: Make Filter plugin developer info more discoverable

Issue #2290251 by er.pushpinderrana, amitgoyal, ParisLiakos, joshi.rohit100: Make Aggregator plugin developer info more discoverable

Issue #2292025 by tim.plunkett: Convert BreadcrumbBuilderInterface applies() and build() to use RouteMatch.

Issue #2161801 by YesCT, vijaycs85, fran seva, batigolix, ifrik: Update hook_help for Config translation module.