Merge branch 'master' into sync-flow-tests
# Conflicts:
# scripts/sync-flow-tests.js
# tests/flow/any/__snapshots__/jsfmt.spec.js.snap
# tests/flow/arrays/__snapshots__/jsfmt.spec.js.snap
# tests/flow/autocomplete/__snapshots__/jsfmt.spec.js.snap
# tests/flow/bom/__snapshots__/jsfmt.spec.js.snap
# tests/flow/check-contents/__snapshots__/jsfmt.spec.js.snap
# tests/flow/computed_props/__snapshots__/jsfmt.spec.js.snap
# tests/flow/core_tests/__snapshots__/jsfmt.spec.js.snap
# tests/flow/coverage/__snapshots__/jsfmt.spec.js.snap
# tests/flow/declare_fun/__snapshots__/jsfmt.spec.js.snap
# tests/flow/destructuring/__snapshots__/jsfmt.spec.js.snap
# tests/flow/dom/__snapshots__/jsfmt.spec.js.snap
# tests/flow/dump-types/__snapshots__/jsfmt.spec.js.snap
# tests/flow/enumerror/__snapshots__/jsfmt.spec.js.snap
# tests/flow/function/__snapshots__/jsfmt.spec.js.snap
# tests/flow/get-def/__snapshots__/jsfmt.spec.js.snap
# tests/flow/get-def2/__snapshots__/jsfmt.spec.js.snap
# tests/flow/import_type/__snapshots__/jsfmt.spec.js.snap
# tests/flow/import_typeof/__snapshots__/jsfmt.spec.js.snap
# tests/flow/indexer/__snapshots__/jsfmt.spec.js.snap
# tests/flow/interface/__snapshots__/jsfmt.spec.js.snap
# tests/flow/intersection/__snapshots__/jsfmt.spec.js.snap
# tests/flow/keys/__snapshots__/jsfmt.spec.js.snap
# tests/flow/more_generics/__snapshots__/jsfmt.spec.js.snap
# tests/flow/more_react/__snapshots__/jsfmt.spec.js.snap
# tests/flow/new_react/__snapshots__/jsfmt.spec.js.snap
# tests/flow/new_spread/__snapshots__/jsfmt.spec.js.snap
# tests/flow/node_tests/process/__snapshots__/jsfmt.spec.js.snap
# tests/flow/nullable/__snapshots__/jsfmt.spec.js.snap
# tests/flow/object_assign/__snapshots__/jsfmt.spec.js.snap
# tests/flow/objmap/__snapshots__/jsfmt.spec.js.snap
# tests/flow/optional/__snapshots__/jsfmt.spec.js.snap
# tests/flow/optional_chaining/__snapshots__/jsfmt.spec.js.snap
# tests/flow/overload/__snapshots__/jsfmt.spec.js.snap
# tests/flow/poly/__snapshots__/jsfmt.spec.js.snap
# tests/flow/react/__snapshots__/jsfmt.spec.js.snap
# tests/flow/rec/__snapshots__/jsfmt.spec.js.snap
# tests/flow/refi/__snapshots__/jsfmt.spec.js.snap
# tests/flow/refinements/__snapshots__/jsfmt.spec.js.snap
# tests/flow/require/__snapshots__/jsfmt.spec.js.snap
# tests/flow/requireLazy/__snapshots__/jsfmt.spec.js.snap
# tests/flow/return/__snapshots__/jsfmt.spec.js.snap
# tests/flow/shape/__snapshots__/jsfmt.spec.js.snap
# tests/flow/sketchy_null_default/__snapshots__/jsfmt.spec.js.snap
# tests/flow/spread/__snapshots__/jsfmt.spec.js.snap
# tests/flow/suggest/__snapshots__/jsfmt.spec.js.snap
# tests/flow/suppress/__snapshots__/jsfmt.spec.js.snap
# tests/flow/template/__snapshots__/jsfmt.spec.js.snap
# tests/flow/try/__snapshots__/jsfmt.spec.js.snap
# tests/flow/tuples/__snapshots__/jsfmt.spec.js.snap
# tests/flow/type-destructors/__snapshots__/jsfmt.spec.js.snap
# tests/flow/typeof/__snapshots__/jsfmt.spec.js.snap
# tests/flow/union/__snapshots__/jsfmt.spec.js.snap
