Update Getting started.md

Update ISSUE_TEMPLATE.md

Update c_cpp_properties.json.md

Create FAQ.md

Create FAQ.md

Create FAQ.md

add C_Cpp. prefix to settings.

add C_Cpp. prefix to settings.

Merge pull request microsoft#626 from Microsoft/users/piel/WSL

Add documentation for WSL

Merge pull request microsoft#568 from andyneff/docker

Documentation on PipeTransport to Docker