Issue #1852966 by yched, Stalski, zuuperman, swentel: Rework entity display settings around EntityDisplay config entity.

Revert "Issue #1852966 by yched, swentel: Rework entity display settings around EntityDisplay config entity."

This reverts commit 8ad67af2.

Issue #1852966 by yched, swentel: Rework entity display settings around EntityDisplay config entity.

Issue #880940 by realityloop, xjm, Jody Lynn, tim.plunkett, smortimore, dagmar: Added view/revert/delete revisions per content type.

Issue #1168246 by sun, mgifford, Manuel Garcia, mbrett5062, ry5n, Everett Zufelt, nod_, aspilicious, deviantintegral, tim.plunkett: Freedom For Fieldsets! Long Live The DETAILS.

Issue #1292470 by sun, tim.plunkett, Berdir, moshe weitzman, pcambra, Niklas Fiekas, andypost et al: Convert user pictures to Image Field.

Issue #1763974 follow-up by neclimdul, sun: Put in temporary entity info hook shiv until conversions are complete.

Issue #1810710 by Berdir, Fabianx: Remove copying of node properties wholesale into theme variables.

Issue #1790920 by alexpott, japicoder, LinL, heyrocker: Move cron_last(), node_cron_last() and common_test_cron() to state system.

Issue #1188388 by plach, peximo, YesCT | Gábor Hojtsy, fago, webchick, Bojhan, podarok, cosmicdreams, Berdir, aspilicious, bforchhammer, penyaskito: Added Entity translation UI in core.

Issue #1798804 by Albert Volkman, tayzlor, alexpott: Convert node_access_needs_rebuild() to state system .

Issue #1763974 by tim.plunkett, EclipseGC, berdir, xjm, neclimdul, FabianX: Convert entity type info into plugins.

Issue #1440662 by sun, marthinal, nod_, larowlan: Fixed Prevent links in node preview from being clicked.

Issue #1739928 by vasi1186, YesCT, webflo, Transition, plach, Gábor Hojtsy: Generalize language configuration on content types to apply to terms and other entities.

Revert "Issue #1588422 by andypost, disasm, sun, dawehner, vasi1186, alexpott, tim.plunkett, larowlan, Gábor Hojtsy: Convert contact categories to configuration system."

This reverts commit 5cb63c4d.

Oops. That was a little more patch than we bargained for. :P

Issue #1588422 by andypost, disasm, sun, dawehner, vasi1186, alexpott, tim.plunkett, larowlan, Gábor Hojtsy: Convert contact categories to configuration system.

Issue #1723892 by Berdir, Pancho, das-peter, fago: Support for revisions for entity save and delete operations.

Issue #1393392 by c960657, fubhy: Convert prefix cache clears to cache tags, then remove support for them.

Issue #1757504 by Maxtorete, boran: Fixed Regression: language field is not visible on manage display.

Issue #1757504 by Maxtorete, boran, c31ck, Gábor Hojtsy: Fixed Regression: language field is not visible on manage display.

Issue #218755 by jstoller, Gábor Hojtsy, stevector, mradcliffe, agentrickard, catch, Crell: Added Support revisions in different states.

Issue #1700382 by Albert Volkman, cam8001: Replace remaining references to drupal_attributes() with new Attributes().