Issue #2035087 by lazysoundsystem, Crell, Cottser: Remove remaining t() from test assert messages in views and views_ui

Issue #2010290 by tim.plunkett, larowlan, alexpott, ParisLiakos: Editing a config entity from a listing page results in a 'page not found'.

Issue #1888390 by dawehner, damiankloip, tim.plunkett: Change 'human_name()' to 'label' and replace View::getHumanName() with View::label().

Issue #1829224 by alexpott, pfrenssen, vijaycs85, lirantal: Convert the 'theme_default()' variable to CMI.

Issue #1535868 by EclipseGc, tim.plunkett, xjm, Jody Lynn, sdboyer, naxoc, tizzo, effulgentsia, dawehner, disasm, beejeebus: Convert all blocks into plugins.

Issue #1848836 by dawehner, damiankloip: Change Views Wizard's primary button to 'Save and edit' and remove 'Save & exit' button.