Adding prompt for Windows to capture the Quickstart Domain.

Added a prompt to vip-init.ps1 to capture the domain the user would like
to setup the quickstart vm with for windows machines. This allows the user
to customize the default "vip.dev" domain.

See: #94
Added prompt for Linux to capture the Quickstart Domain.

Added prompt to bin/vip-init to capture the domain the user would like to setup the quickstart vm with.

See: #94, d5f6fa0
Merge branch 'master' of https://github.com/Mobius5150/vip-quickstart into Mobius5150-master
Merge branch 'Mobius5150-master' into feature-custom-domain