Add Doc support to OS-EXT-IPS for IP differentiation

Samples needed some edition.
Modified:   src/docbkx/api-ref.xml
Added:   src/wadls/compute-api/src/api_samples/OS-EXT-IPS/server-get-resp.json
         src/wadls/compute-api/src/api_samples/OS-EXT-IPS/server-get-resp.xml
	 src/wadls/compute-api/src/api_samples/OS-EXT-IPS/servers-detail-resp.json
	 src/wadls/compute-api/src/api_samples/OS-EXT-IPS/servers-detail-resp.xml
	 src/wadls/compute-api/src/ext/os-ext-ips.wadl
Fixes: bug 1128562

Patchset has minor wording changes and copyright change.

Change-Id: I44909df773066b8434e17729a5a6e26322c24fbe
Merge "Add Doc support to OS-EXT-IPS for IP differentiation"