Issue #2087995 by amateescu: All entity post*() and pre*() methods should call their parent implementation.
Issue #2083615 by Gábor Hojtsy, YesCT: Use links annotation for config entity URI like for content entities.
Issue #2085907 by YesCT, Gábor Hojtsy: Ensure all configuration entities have an Edit/Configure tab by default.
Issue #1927174 by jessebeach, Wim Leers, nod_, Gábor Hojtsy: Complete the work to make the Toolbar administration menu sub tree rendering more efficient.
Issue #2089635 by tim.plunkett, disasm, larowlan: Convert non-test non-form page callbacks to routes and controllers.
applied patch
fix tests
small fixes
remove merge left-over
fix field_form_set_state
get/set
fix menu links
user cancel confirm form fixed
small fixes