Issue #2889855 by seanB, chr.fritsch, vijaycs85, phenaproxima, marcoscano, Wim Leers, govind.maloo, larowlan, pk188, Dinesh18, balazswmann, michael_wojcik, catch, effulgentsia, alexpott, Berdir, dawehner: Unpublished media entity can not be accessed by owner and update any media/delete any media access possibly cached by user

Issue #2683435 by quietone, Jo Fitzgerald, hussainweb, mikeryan, Steven Jones, alexpott, phenaproxima, Sam152, Pavan B S, michael_wojcik, Prashant.c, heddn, benjy: CCK does not exist in Drupal 7, rename Migrate's cckfield plugins to field plugins

Issue #2825154 by michael_wojcik, tkoleary, tedbow: "offcanvas-lining" div inappropriately covers whole page

Revert "Issue #2683435 by hussainweb, mikeryan, quietone, alexpott, michael_wojcik, phenaproxima, benjy: Consider renaming Migrate's cckfield plugins"

This reverts commit 24f816a1.

Issue #2683435 by hussainweb, mikeryan, quietone, alexpott, michael_wojcik, phenaproxima, benjy: Consider renaming Migrate's cckfield plugins