Commented out check for sudo as it was failing on Travis-CI
Updated version of Ruby to 2.3.3
Reorder install so Ruby gets installed before installing PS as Homebrew relies on Ruby 2.3
Remove sudo check which breaks Travis-CI
updating for pull request comments
OSX Install script updated to use repositories
Using TR, use curl rather than wget since we ensured it is on the system
Update comments in install-powershell.sh
install-powershell.sh