* added new icon
* added new icon
* update icon to new version of console image with avatar colors
* added svg for blue Windows PowerShell icon
* changed default to the black icon
* added custom bitmaps to the installer
* fixed `launch powershell` checkbox so it shows up more nicely as the default checkbox
has a grey background
also reformatted the xml using a xml formatter to make it easier to read
* address PR feedback
