fix issue microsoft#146 (microsoft#148)

fix issue microsoft#146 (microsoft#148)

Update changelog for 0.2.0 (microsoft#104)

Signed-off-by: Yaohai Zheng <yaozheng@microsoft.com>

fix build error (microsoft#66)

* fix build error

Signed-off-by: Jinbo Wang <jinbwan@microsoft.com>

* Remove the unnecessary configs from auto generated launch.json

Signed-off-by: Jinbo Wang <jinbwan@microsoft.com>