Extract STAGING_VM_USERNAME

Change-Id: Id8e2770e1cb208d5c7e64cc89a6c7e751c580309
Extract STAGING_VM_URL

Change-Id: I9396e54d6e6d03d13f8cd41f215b21b75172db05
extract XENSERVER_ISO_URL

Change-Id: Ia3ab2641328b0431866dd40e8e5ecfdc5bb03628
Add comments

Change-Id: I3e5194413d536e37a4a2dd43b19e3f4d2b26a411
Inline NAMESERVERS

Change-Id: I9f7f9397f94847953e24e91bedc850d266ffddd5
Inline NAMESERVER_ELEMENTS

Change-Id: I5572128ff29696c06001d301bf5027e533aa7aea
Amend comment

Change-Id: I9337dc8fbc3b2ada0bdfb97c7cf63520ba9f2000
Rename 95-cloudboot to 95-install-starting-vm

Change-Id: If0f9c2e955ac64c63365e9044068ef9725432ea0
Move IP reconfiguration to the end

Change-Id: Idf4be3933a91039e6f29febd547e823cd6e9aea3