Install ubuntu.ps1

install-ubuntu.ps1 will install a Default ubuntu minimal System

currently, ubuntu 14_1,15_10 and 16_4 can be deployed.
Masters are automatically downloaded from Azure labbuildr repo
labbuildr_ubuntu_nowatermark A grapical Desktop can be installed.
The size can be controlled with -Size
Disks can be added with -Disks ( e.g. for ScaleIO testing )
the Option -docker adds the latest docker-engine´

examples for desktops:

.\install-ubuntu.ps1 -Defaults -ubuntu_ver 16_4 -Desktop cinnamon-desktop-environment

.\install-ubuntu.ps1 -Defaults -ubuntu_ver 16_4 -Desktop lxde -Startnode 2

.\install-ubuntu.ps1 -Defaults -ubuntu_ver 16_4 -Desktop xfce4  -Startnode 3

.\install-ubuntu.ps1 -Defaults -ubuntu_ver 16_4 -Desktop cinnamon -Startnode 4

SYNTAX
    C:\labbuildr2016\install-ubuntu.ps1 -Defaults [-Disks <Int32>] [-ubuntu_ver <String>] [-Desktop <String>] [-Nodes
    <Int32>] [-Startnode <Int32>] [-Defaultsfile <Object>] [-forcedownload] [-ip_startrange <Int32>] [-WhatIf] [-Confirm]
    [<CommonParameters>]

    C:\labbuildr2016\install-ubuntu.ps1 [-Disks <Int32>] [-ubuntu_ver <String>] [-Desktop <String>] [-Sourcedir <Object>]
    [-Nodes <Int32>] [-Startnode <Int32>] [-subnet <IPAddress>] [-BuildDomain <String>] [-vmnet <Object>] [-forcedownload]
    [-ip_startrange <Int32>] [-WhatIf] [-Confirm] [<CommonParameters>]