Terminal doesn't handle PowerShell's space escape character correctly

PowerShell supports back tick (`) as a space escape character. Using this when creating a terminal command for PowerShell makes the terminal fail. 

For example dir folder` with` spaces

The command that is constructed starting the terminal is:

<img width="397" alt="capture" src="https://user-images.githubusercontent.com/1931590/29919748-dd49017a-8e4a-11e7-9abd-c2b9c81a8031.png">

