Merge branch '1.10-features' into 2.1

src/box/lua/load_cfg.lua

src/box/vy_range.c

test/replication/errinj.result

test/replication/errinj.test.lua

test/replication/misc.result

test/replication/misc.test.lua

test/vinyl/compact.result

test/vinyl/compact.test.lua

test/vinyl/deferred_delete.result

test/vinyl/deferred_delete.test.lua

test/vinyl/errinj.result

test/vinyl/errinj.test.lua

test/vinyl/gc.result

test/vinyl/gc.test.lua

test/vinyl/info.result

test/vinyl/info.test.lua

test/vinyl/layout.result

test/vinyl/layout.test.lua

test/vinyl/update_optimize.result

test/vinyl/update_optimize.test.lua