Added font glyphs issue information

Resolves JanDeDobbeleer#109

Adding SkipPublisherCheck

Adding SkipPublisherCheck

fix(computername): use Environment::MachineName for computername

Remove virtualenv from default user definition

resolves JanDeDobbeleer#98

Fix theme name and installation steps in README

Comply with POSIX

All Linux and Mac systems have `hostname`, but `uname -n` will continue working if PowerShell is released on other POSIX systems.

Comply with POSIX

All Linux and Mac systems have `hostname`, but `uname -n` will continue working if PowerShell is released on other POSIX systems.

Comply with POSIX

All Linux and Mac systems have `hostname`, but `uname -n` will continue working if PowerShell is released on other POSIX systems.

Update badge to reflect PSGallery downloads