Check for STA and NA when deciding to call directly or post a callbac…

…k. (microsoft#459)

Improve type name compatibility microsoft#451

IntelliSense (microsoft#440)

IntelliSense (microsoft#439)

Test build (microsoft#438)

WINRT_LEAN_AND_MEAN should not exclude overridable interfaces (micros…

…oft#416)

Merge pull request microsoft#404 from jlaanstra/user/jlaans/399

Add CppWinRTGenerateWindowsMetadata property to more quickly determine if a project outputs a winmd.

Merge pull request microsoft#396 from jlaanstra/user/jlaans/395

Fix case where dependent target, needed to evaluate condition, is skipped because condition is false.

build

Fall 2017 Creators Update for Visual Studio 2017 v15.3