Issue #2269129 by sqndr, michaelfavia: Fixed Permissions sticky header is not place correctly.
Issue #2279339 by chx: Fixed NumberFieldTest is slightly and subtly broken .
Issue #2273971 by xjm, martin107: Fixed migrate EntityComment should use the $row->stub() method.
Issue #2274175 by tim.plunkett, vijaycs85: Block plugin schema should be defined separately from the entity.
Issue #1848266 by alexpott: Convert Diff into a proper, PSR-0-compatible PHP component.