Update vagrantfile to Swift 3.0.2 (#968)
Update vagrantfile to Swift 3.0.2 (#968)

Use Ubuntu 14.04 as there isn't a Swift 3.0.2 packaged download
for Ubuntu 15.10. Add git to the package install as it isn't part
of the Ubuntu 14.04 base image.

Implement #967
IBM-Swift/Kitura,IBM-Swift/Kitura,naithar/Kitura,IBM-Swift/Kitura,IBM-Swift/Kitura,naithar/Kitura,naithar/Kitura,naithar/Kitura